135458944 has 32 divisors (see below), whose sum is σ = 276146640. Its totient is φ = 66151680.

The previous prime is 135458903. The next prime is 135458951. The reversal of 135458944 is 449854531.

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

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 135458944.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6802 + ... + 17809.

Almost surely, 2^135458944 is an apocalyptic number.

It is an amenable number.

135458944 is an abundant number, since it is smaller than the sum of its proper divisors (140687696).

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

135458944 is an equidigital number, since it uses as much as digits as its factorization.

135458944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24668 (or 24656 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 135458944 is about 11638.6830870163. The cubic root of 135458944 is about 513.5734473839.

The spelling of 135458944 in words is "one hundred thirty-five million, four hundred fifty-eight thousand, nine hundred forty-four".