136279144 has 32 divisors (see below), whose sum is σ = 261468000. Its totient is φ = 66569152.

The previous prime is 136279097. The next prime is 136279189. The reversal of 136279144 is 441972631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83682 + ... + 85294.

It is an arithmetic number, because the mean of its divisors is an integer number (8170875).

Almost surely, 2^136279144 is an apocalyptic number.

It is an amenable number.

136279144 is a deficient number, since it is larger than the sum of its proper divisors (125188856).

136279144 is a wasteful number, since it uses less digits than its factorization.

136279144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1853 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 136279144 is about 11673.8658549771. The cubic root of 136279144 is about 514.6079197564.

The spelling of 136279144 in words is "one hundred thirty-six million, two hundred seventy-nine thousand, one hundred forty-four".