136409272 has 16 divisors (see below), whose sum is σ = 264587400. Its totient is φ = 65852640.

The previous prime is 136409263. The next prime is 136409279. The reversal of 136409272 is 272904631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136409279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293754 + ... + 294217.

Almost surely, 2^136409272 is an apocalyptic number.

It is an amenable number.

136409272 is a deficient number, since it is larger than the sum of its proper divisors (128178128).

136409272 is a wasteful number, since it uses less digits than its factorization.

136409272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588006 (or 588002 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 136409272 is about 11679.4380001779. The cubic root of 136409272 is about 514.7716611150.

The spelling of 136409272 in words is "one hundred thirty-six million, four hundred nine thousand, two hundred seventy-two".