138708846 has 12 divisors (see below), whose sum is σ = 300535872. Its totient is φ = 46236276.

The previous prime is 138708839. The next prime is 138708859. The reversal of 138708846 is 648807831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3853006 + ... + 3853041.

It is an arithmetic number, because the mean of its divisors is an integer number (25044656).

Almost surely, 2^138708846 is an apocalyptic number.

138708846 is an abundant number, since it is smaller than the sum of its proper divisors (161827026).

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

138708846 is a wasteful number, since it uses less digits than its factorization.

138708846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706055 (or 7706052 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 138708846 is about 11777.4719698244. The cubic root of 138708846 is about 517.6482135158.

The spelling of 138708846 in words is "one hundred thirty-eight million, seven hundred eight thousand, eight hundred forty-six".