135560644 has 24 divisors (see below), whose sum is σ = 249516288. Its totient is φ = 64353120.

The previous prime is 135560641. The next prime is 135560651. The reversal of 135560644 is 446065531.

It is not an unprimeable number, because it can be changed into a prime (135560641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3742 + ... + 16885.

It is an arithmetic number, because the mean of its divisors is an integer number (10396512).

Almost surely, 2^135560644 is an apocalyptic number.

It is an amenable number.

135560644 is a deficient number, since it is larger than the sum of its proper divisors (113955644).

135560644 is a wasteful number, since it uses less digits than its factorization.

135560644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20715 (or 20713 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 135560644 is about 11643.0513182756. The cubic root of 135560644 is about 513.7019422924.

The spelling of 135560644 in words is "one hundred thirty-five million, five hundred sixty thousand, six hundred forty-four".