138676472 has 16 divisors (see below), whose sum is σ = 283656600. Its totient is φ = 63034720.

The previous prime is 138676457. The next prime is 138676487. The reversal of 138676472 is 274676831.

It is an interprime number because it is at equal distance from previous prime (138676457) and next prime (138676487).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787847 + ... + 788022.

Almost surely, 2^138676472 is an apocalyptic number.

It is an amenable number.

138676472 is an abundant number, since it is smaller than the sum of its proper divisors (144980128).

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

138676472 is a wasteful number, since it uses less digits than its factorization.

138676472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575886 (or 1575882 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 138676472 is about 11776.0974860095. The cubic root of 138676472 is about 517.6079381532.

The spelling of 138676472 in words is "one hundred thirty-eight million, six hundred seventy-six thousand, four hundred seventy-two".