72150136 has 16 divisors (see below), whose sum is σ = 135649800. Its totient is φ = 35976864.

The previous prime is 72150131. The next prime is 72150137. The reversal of 72150136 is 63105127.

It is a self number, because there is not a number n which added to its sum of digits gives 72150136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72150131) 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, 9106 + ... + 15073.

Almost surely, 2^72150136 is an apocalyptic number.

It is an amenable number.

72150136 is a deficient number, since it is larger than the sum of its proper divisors (63499664).

72150136 is a wasteful number, since it uses less digits than its factorization.

72150136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24558 (or 24554 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 72150136 is about 8494.1236157711. The cubic root of 72150136 is about 416.3057263210.

The spelling of 72150136 in words is "seventy-two million, one hundred fifty thousand, one hundred thirty-six".