136044642 has 32 divisors (see below), whose sum is σ = 295130304. Its totient is φ = 41638400.

The previous prime is 136044613. The next prime is 136044653. The reversal of 136044642 is 246440631.

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 15 ways as a sum of consecutive naturals, for example, 12084 + ... + 20447.

It is an arithmetic number, because the mean of its divisors is an integer number (9222822).

Almost surely, 2^136044642 is an apocalyptic number.

136044642 is an abundant number, since it is smaller than the sum of its proper divisors (159085662).

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

136044642 is a wasteful number, since it uses less digits than its factorization.

136044642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32594.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 136044642 is about 11663.8176426074. The cubic root of 136044642 is about 514.3125801882.

The spelling of 136044642 in words is "one hundred thirty-six million, forty-four thousand, six hundred forty-two".