135907856 has 40 divisors (see below), whose sum is σ = 301629504. Its totient is φ = 58112640.

The previous prime is 135907841. The next prime is 135907859. The reversal of 135907856 is 658709531.

135907856 is nontrivially palindromic in base 15.

It is not an unprimeable number, because it can be changed into a prime (135907859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59471 + ... + 61713.

Almost surely, 2^135907856 is an apocalyptic number.

135907856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135907856 is an abundant number, since it is smaller than the sum of its proper divisors (165721648).

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

135907856 is a wasteful number, since it uses less digits than its factorization.

135907856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 135907856 is about 11657.9524788875. The cubic root of 135907856 is about 514.1401506318.

The spelling of 135907856 in words is "one hundred thirty-five million, nine hundred seven thousand, eight hundred fifty-six".