65371138 has 32 divisors (see below), whose sum is σ = 116742528. Its totient is φ = 26870400.

The previous prime is 65371109. The next prime is 65371147. The reversal of 65371138 is 83117356.

65371138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34081 + ... + 35947.

It is an arithmetic number, because the mean of its divisors is an integer number (3648204).

Almost surely, 2^65371138 is an apocalyptic number.

65371138 is a deficient number, since it is larger than the sum of its proper divisors (51371390).

65371138 is a wasteful number, since it uses less digits than its factorization.

65371138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978.

The product of its digits is 15120, while the sum is 34.

The square root of 65371138 is about 8085.2419877206. The cubic root of 65371138 is about 402.8363773695.

The spelling of 65371138 in words is "sixty-five million, three hundred seventy-one thousand, one hundred thirty-eight".