136381272 has 16 divisors (see below), whose sum is σ = 340953240. Its totient is φ = 45460416.

The previous prime is 136381253. The next prime is 136381309. The reversal of 136381272 is 272183631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2841253 + ... + 2841300.

Almost surely, 2^136381272 is an apocalyptic number.

136381272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136381272 is an abundant number, since it is smaller than the sum of its proper divisors (204571968).

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

136381272 is a wasteful number, since it uses less digits than its factorization.

136381272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682562 (or 5682558 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 136381272 is about 11678.2392508460. The cubic root of 136381272 is about 514.7364372317.

The spelling of 136381272 in words is "one hundred thirty-six million, three hundred eighty-one thousand, two hundred seventy-two".