135641964 has 24 divisors (see below), whose sum is σ = 316725808. Its totient is φ = 45181440.

The previous prime is 135641951. The next prime is 135641977. The reversal of 135641964 is 469146531.

135641964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135641951) and next prime (135641977).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18144 + ... + 24504.

Almost surely, 2^135641964 is an apocalyptic number.

It is an amenable number.

135641964 is an abundant number, since it is smaller than the sum of its proper divisors (181083844).

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

135641964 is a wasteful number, since it uses less digits than its factorization.

135641964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8145 (or 8143 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 135641964 is about 11646.5430064032. The cubic root of 135641964 is about 513.8046414494.

The spelling of 135641964 in words is "one hundred thirty-five million, six hundred forty-one thousand, nine hundred sixty-four".