136273672 has 8 divisors (see below), whose sum is σ = 255513150. Its totient is φ = 68136832.

The previous prime is 136273663. The next prime is 136273679. The reversal of 136273672 is 276372631.

It can be written as a sum of positive squares in only one way, i.e., 82192356 + 54081316 = 9066^2 + 7354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (136273679) by changing a digit.

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 as a sum of consecutive naturals, namely, 8517097 + ... + 8517112.

Almost surely, 2^136273672 is an apocalyptic number.

It is an amenable number.

136273672 is a deficient number, since it is larger than the sum of its proper divisors (119239478).

136273672 is a wasteful number, since it uses less digits than its factorization.

136273672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17034215 (or 17034211 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 136273672 is about 11673.6314829619. The cubic root of 136273672 is about 514.6010320010.

The spelling of 136273672 in words is "one hundred thirty-six million, two hundred seventy-three thousand, six hundred seventy-two".