138674416 has 10 divisors (see below), whose sum is σ = 268681712. Its totient is φ = 69337200.

The previous prime is 138674387. The next prime is 138674443. The reversal of 138674416 is 614476831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4333560 + ... + 4333591.

Almost surely, 2^138674416 is an apocalyptic number.

138674416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138674416 is a deficient number, since it is larger than the sum of its proper divisors (130007296).

138674416 is an equidigital number, since it uses as much as digits as its factorization.

138674416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667159 (or 8667153 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 138674416 is about 11776.0101902130. The cubic root of 138674416 is about 517.6053801437.

The spelling of 138674416 in words is "one hundred thirty-eight million, six hundred seventy-four thousand, four hundred sixteen".