136078972 has 12 divisors (see below), whose sum is σ = 240593920. Its totient is φ = 67337856.

The previous prime is 136078967. The next prime is 136078973. The reversal of 136078972 is 279870631.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136078973) 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 in 3 ways as a sum of consecutive naturals, for example, 174972 + ... + 175747.

Almost surely, 2^136078972 is an apocalyptic number.

It is an amenable number.

136078972 is a deficient number, since it is larger than the sum of its proper divisors (104514948).

136078972 is a wasteful number, since it uses less digits than its factorization.

136078972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350820 (or 350818 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 136078972 is about 11665.2891948721. The cubic root of 136078972 is about 514.3558377192.

The spelling of 136078972 in words is "one hundred thirty-six million, seventy-eight thousand, nine hundred seventy-two".