138714507 has 6 divisors (see below), whose sum is σ = 200365412. Its totient is φ = 92476332.

The previous prime is 138714493. The next prime is 138714523. The reversal of 138714507 is 705417831.

138714507 is a `hidden beast` number, since 138 + 7 + 14 + 507 = 666.

It is not a de Polignac number, because 138714507 - 2²² = 134520203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138713507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7706353 + ... + 7706370.

Almost surely, 2^138714507 is an apocalyptic number.

138714507 is a deficient number, since it is larger than the sum of its proper divisors (61650905).

138714507 is a wasteful number, since it uses less digits than its factorization.

138714507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15412729 (or 15412726 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 138714507 is about 11777.7122990842. The cubic root of 138714507 is about 517.6552555244.

The spelling of 138714507 in words is "one hundred thirty-eight million, seven hundred fourteen thousand, five hundred seven".