138370976 has 12 divisors (see below), whose sum is σ = 272417922. Its totient is φ = 69185472.

The previous prime is 138370957. The next prime is 138370987. The reversal of 138370976 is 679073831.

It can be written as a sum of positive squares in only one way, i.e., 96432400 + 41938576 = 9820^2 + 6476^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2162015 + ... + 2162078.

Almost surely, 2^138370976 is an apocalyptic number.

138370976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138370976 is a deficient number, since it is larger than the sum of its proper divisors (134046946).

138370976 is an equidigital number, since it uses as much as digits as its factorization.

138370976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324103 (or 4324095 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 138370976 is about 11763.1193141955. The cubic root of 138370976 is about 517.2275722324.

The spelling of 138370976 in words is "one hundred thirty-eight million, three hundred seventy thousand, nine hundred seventy-six".