135042920 has 32 divisors (see below), whose sum is σ = 304197120. Its totient is φ = 53954880.

The previous prime is 135042893. The next prime is 135042949. The reversal of 135042920 is 29240531.

It is a self number, because there is not a number n which added to its sum of digits gives 135042920.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50825 + ... + 53415.

It is an arithmetic number, because the mean of its divisors is an integer number (9506160).

Almost surely, 2^135042920 is an apocalyptic number.

135042920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135042920 is an abundant number, since it is smaller than the sum of its proper divisors (169154200).

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

135042920 is a wasteful number, since it uses less digits than its factorization.

135042920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 135042920 is about 11620.7968745693. The cubic root of 135042920 is about 513.0471428113.

The spelling of 135042920 in words is "one hundred thirty-five million, forty-two thousand, nine hundred twenty".