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134021020 = 22577197139
BaseRepresentation
bin1111111110011…
…11111110011100
3100100011222021111
413333033332130
5233302133040
621144311404
73215105560
oct777177634
9310158244
10134021020
1169718a81
1238a72564
13219c5aa3
1413b296a0
15bb74dea
hex7fcff9c

134021020 has 96 divisors (see below), whose sum is σ = 331914240. Its totient is φ = 44513280.

The previous prime is 134020973. The next prime is 134021033. The reversal of 134021020 is 20120431.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 964111 + ... + 964249.

It is an arithmetic number, because the mean of its divisors is an integer number (3457440).

Almost surely, 2134021020 is an apocalyptic number.

134021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165957120).

134021020 is an abundant number, since it is smaller than the sum of its proper divisors (197893220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134021020 is a wasteful number, since it uses less digits than its factorization.

134021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 134021020 is about 11576.7447929027. The cubic root of 134021020 is about 511.7497505493.

Adding to 134021020 its reverse (20120431), we get a palindrome (154141451).

The spelling of 134021020 in words is "one hundred thirty-four million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 71 97 139 140 142 194 278 284 355 388 485 497 556 679 695 710 970 973 994 1358 1390 1420 1940 1946 1988 2485 2716 2780 3395 3892 4865 4970 6790 6887 9730 9869 9940 13483 13580 13774 19460 19738 26966 27548 34435 39476 48209 49345 53932 67415 68870 69083 94381 96418 98690 134830 137740 138166 188762 192836 197380 241045 269660 276332 345415 377524 471905 482090 690830 943810 957293 964180 1381660 1887620 1914586 3829172 4786465 6701051 9572930 13402102 19145860 26804204 33505255 67010510 134021020