136642724 has 24 divisors (see below), whose sum is σ = 254838528. Its totient is φ = 63958400.

The previous prime is 136642721. The next prime is 136642733. The reversal of 136642724 is 427246631.

It is not an unprimeable number, because it can be changed into a prime (136642721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11477 + ... + 20124.

It is an arithmetic number, because the mean of its divisors is an integer number (10618272).

Almost surely, 2^136642724 is an apocalyptic number.

It is an amenable number.

136642724 is a deficient number, since it is larger than the sum of its proper divisors (118195804).

136642724 is a wasteful number, since it uses less digits than its factorization.

136642724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31675 (or 31673 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 136642724 is about 11689.4278730826. The cubic root of 136642724 is about 515.0651552969.

The spelling of 136642724 in words is "one hundred thirty-six million, six hundred forty-two thousand, seven hundred twenty-four".