138332692 has 24 divisors (see below), whose sum is σ = 255782240. Its totient is φ = 65279520.

The previous prime is 138332681. The next prime is 138332693. The reversal of 138332692 is 296233831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138332693) 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, 17767 + ... + 24337.

Almost surely, 2^138332692 is an apocalyptic number.

It is an amenable number.

138332692 is a deficient number, since it is larger than the sum of its proper divisors (117449548).

138332692 is a wasteful number, since it uses less digits than its factorization.

138332692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871 (or 6869 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 138332692 is about 11761.4919121683. The cubic root of 138332692 is about 517.1798662577.

The spelling of 138332692 in words is "one hundred thirty-eight million, three hundred thirty-two thousand, six hundred ninety-two".