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134147420 = 225112332617
BaseRepresentation
bin1111111111011…
…10110101011100
3100100102101122222
413333232311130
5233320204140
621151124512
73216143231
oct777566534
9310371588
10134147420
11697a4a40
1238b13738
1321a3b494
1413b5d788
15bb9c5b5
hex7feed5c

134147420 has 48 divisors (see below), whose sum is σ = 308756448. Its totient is φ = 48552960.

The previous prime is 134147389. The next prime is 134147441. The reversal of 134147420 is 24741431.

134147420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 134147420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49952 + ... + 52568.

It is an arithmetic number, because the mean of its divisors is an integer number (6432426).

Almost surely, 2134147420 is an apocalyptic number.

134147420 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 134147420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154378224).

134147420 is an abundant number, since it is smaller than the sum of its proper divisors (174609028).

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

134147420 is a wasteful number, since it uses less digits than its factorization.

134147420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870 (or 2868 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 134147420 is about 11582.2027265974. The cubic root of 134147420 is about 511.9105831398.

Adding to 134147420 its reverse (24741431), we get a palindrome (158888851).

The spelling of 134147420 in words is "one hundred thirty-four million, one hundred forty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 233 466 932 1165 2330 2563 2617 4660 5126 5234 10252 10468 12815 13085 25630 26170 28787 51260 52340 57574 115148 143935 287870 575740 609761 1219522 2439044 3048805 6097610 6707371 12195220 13414742 26829484 33536855 67073710 134147420