138607576 has 32 divisors (see below), whose sum is σ = 267537600. Its totient is φ = 67284000.

The previous prime is 138607543. The next prime is 138607577. The reversal of 138607576 is 675706831.

138607576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138607577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60451 + ... + 62701.

It is an arithmetic number, because the mean of its divisors is an integer number (8360550).

Almost surely, 2^138607576 is an apocalyptic number.

It is an amenable number.

138607576 is a deficient number, since it is larger than the sum of its proper divisors (128930024).

138607576 is a wasteful number, since it uses less digits than its factorization.

138607576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 138607576 is about 11773.1718750726. The cubic root of 138607576 is about 517.5222061776.

The spelling of 138607576 in words is "one hundred thirty-eight million, six hundred seven thousand, five hundred seventy-six".