135646884 has 36 divisors (see below), whose sum is σ = 352155804. Its totient is φ = 43993152.

The previous prime is 135646883. The next prime is 135646937. The reversal of 135646884 is 488646531.

135646884 is a `hidden beast` number, since 1 + 3 + 564 + 6 + 8 + 84 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 104040000 + 31606884 = 10200^2 + 5622^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (135646883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49587 + ... + 52250.

Almost surely, 2^135646884 is an apocalyptic number.

It is an amenable number.

135646884 is an abundant number, since it is smaller than the sum of its proper divisors (216508920).

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

135646884 is a wasteful number, since it uses less digits than its factorization.

135646884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101884 (or 101879 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 135646884 is about 11646.7542259636. The cubic root of 135646884 is about 513.8108536082.

The spelling of 135646884 in words is "one hundred thirty-five million, six hundred forty-six thousand, eight hundred eighty-four".