136500642 has 24 divisors (see below), whose sum is σ = 296253360. Its totient is φ = 45423000.

The previous prime is 136500629. The next prime is 136500671. The reversal of 136500642 is 246005631.

136500642 is a `hidden beast` number, since 1 + 3 + 650 + 0 + 6 + 4 + 2 = 666.

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 11 ways as a sum of consecutive naturals, for example, 5017 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (12343890).

Almost surely, 2^136500642 is an apocalyptic number.

136500642 is an abundant number, since it is smaller than the sum of its proper divisors (159752718).

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

136500642 is a wasteful number, since it uses less digits than its factorization.

136500642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878 (or 12875 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 136500642 is about 11683.3489205792. The cubic root of 136500642 is about 514.8865706767.

The spelling of 136500642 in words is "one hundred thirty-six million, five hundred thousand, six hundred forty-two".