72135134 has 16 divisors (see below), whose sum is σ = 115274880. Its totient is φ = 33756120.

The previous prime is 72135103. The next prime is 72135143. The reversal of 72135134 is 43153127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8282 + ... + 14589.

It is an arithmetic number, because the mean of its divisors is an integer number (7204680).

Almost surely, 2^72135134 is an apocalyptic number.

72135134 is a deficient number, since it is larger than the sum of its proper divisors (43139746).

72135134 is a wasteful number, since it uses less digits than its factorization.

72135134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22975.

The product of its digits is 2520, while the sum is 26.

The square root of 72135134 is about 8493.2404887652. The cubic root of 72135134 is about 416.2768705130.

The spelling of 72135134 in words is "seventy-two million, one hundred thirty-five thousand, one hundred thirty-four".