135798656 has 32 divisors (see below), whose sum is σ = 309186480. Its totient is φ = 58199040.

The previous prime is 135798653. The next prime is 135798671. The reversal of 135798656 is 656897531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135798653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74885 + ... + 76676.

Almost surely, 2^135798656 is an apocalyptic number.

135798656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135798656 is an abundant number, since it is smaller than the sum of its proper divisors (173387824).

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

135798656 is an equidigital number, since it uses as much as digits as its factorization.

135798656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151582 (or 151570 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 135798656 is about 11653.2680394815. The cubic root of 135798656 is about 514.0024123391.

The spelling of 135798656 in words is "one hundred thirty-five million, seven hundred ninety-eight thousand, six hundred fifty-six".