138871076 has 24 divisors (see below), whose sum is σ = 257530560. Its totient is φ = 65340000.

The previous prime is 138871069. The next prime is 138871081. The reversal of 138871076 is 670178831.

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, 5426 + ... + 17526.

It is an arithmetic number, because the mean of its divisors is an integer number (10730440).

Almost surely, 2^138871076 is an apocalyptic number.

It is an amenable number.

138871076 is a deficient number, since it is larger than the sum of its proper divisors (118659484).

138871076 is a wasteful number, since it uses less digits than its factorization.

138871076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12275 (or 12273 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 138871076 is about 11784.3572586713. The cubic root of 138871076 is about 517.8499438641.

The spelling of 138871076 in words is "one hundred thirty-eight million, eight hundred seventy-one thousand, seventy-six".