135090864 has 60 divisors (see below), whose sum is σ = 386876776. Its totient is φ = 43981056.

The previous prime is 135090853. The next prime is 135090871. The reversal of 135090864 is 468090531.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4717 + ... + 17100.

Almost surely, 2^135090864 is an apocalyptic number.

It is an amenable number.

135090864 is an abundant number, since it is smaller than the sum of its proper divisors (251785912).

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

135090864 is a wasteful number, since it uses less digits than its factorization.

135090864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21874 (or 21865 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 135090864 is about 11622.8595448797. The cubic root of 135090864 is about 513.1078509720.

The spelling of 135090864 in words is "one hundred thirty-five million, ninety thousand, eight hundred sixty-four".