138710516 has 24 divisors (see below), whose sum is σ = 289484160. Its totient is φ = 56862432.

The previous prime is 138710479. The next prime is 138710527. The reversal of 138710516 is 615017831.

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, 107051 + ... + 108338.

It is an arithmetic number, because the mean of its divisors is an integer number (12061840).

Almost surely, 2^138710516 is an apocalyptic number.

It is an amenable number.

138710516 is an abundant number, since it is smaller than the sum of its proper divisors (150773644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138710516 is a wasteful number, since it uses less digits than its factorization.

138710516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215423 (or 215421 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 138710516 is about 11777.5428676783. The cubic root of 138710516 is about 517.6502909345.

The spelling of 138710516 in words is "one hundred thirty-eight million, seven hundred ten thousand, five hundred sixteen".