136523272 has 8 divisors (see below), whose sum is σ = 255981150. Its totient is φ = 68261632.

The previous prime is 136523201. The next prime is 136523281. The reversal of 136523272 is 272325631.

It can be written as a sum of positive squares in only one way, i.e., 136095556 + 427716 = 11666^2 + 654^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8532697 + ... + 8532712.

Almost surely, 2^136523272 is an apocalyptic number.

It is an amenable number.

136523272 is a deficient number, since it is larger than the sum of its proper divisors (119457878).

136523272 is a wasteful number, since it uses less digits than its factorization.

136523272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17065415 (or 17065411 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 136523272 is about 11684.3173527596. The cubic root of 136523272 is about 514.9150228975.

The spelling of 136523272 in words is "one hundred thirty-six million, five hundred twenty-three thousand, two hundred seventy-two".