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135103420 = 22517439241
BaseRepresentation
bin10000000110110…
…00001110111100
3100102012222001101
420003120032330
5234041302140
621223422444
73230234344
oct1003301674
9312188041
10135103420
116a298221
12392b4a24
1321cb466a
1413d2bd24
15bcda99a
hex80d83bc

135103420 has 48 divisors (see below), whose sum is σ = 307425888. Its totient is φ = 49674240.

The previous prime is 135103417. The next prime is 135103421. The reversal of 135103420 is 24301531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135103421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10000 + ... + 19240.

It is an arithmetic number, because the mean of its divisors is an integer number (6404706).

Almost surely, 2135103420 is an apocalyptic number.

135103420 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 135103420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153712944).

135103420 is an abundant number, since it is smaller than the sum of its proper divisors (172322468).

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

135103420 is a wasteful number, since it uses less digits than its factorization.

135103420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310 (or 9308 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 135103420 is about 11623.3996747939. The cubic root of 135103420 is about 513.1237473902.

Adding to 135103420 its reverse (24301531), we get a palindrome (159404951).

The spelling of 135103420 in words is "one hundred thirty-five million, one hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 43 68 85 86 170 172 215 340 430 731 860 1462 2924 3655 7310 9241 14620 18482 36964 46205 92410 157097 184820 314194 397363 628388 785485 794726 1570970 1589452 1986815 3141940 3973630 6755171 7947260 13510342 27020684 33775855 67551710 135103420