138718296 has 48 divisors (see below), whose sum is σ = 376312560. Its totient is φ = 46163520.

The previous prime is 138718289. The next prime is 138718303. The reversal of 138718296 is 692817831.

138718296 is a `hidden beast` number, since 1 + 387 + 182 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (138718289) and next prime (138718303).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58086 + ... + 60426.

It is an arithmetic number, because the mean of its divisors is an integer number (7839845).

Almost surely, 2^138718296 is an apocalyptic number.

It is an amenable number.

138718296 is an abundant number, since it is smaller than the sum of its proper divisors (237594264).

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

138718296 is a wasteful number, since it uses less digits than its factorization.

138718296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176 (or 3169 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 138718296 is about 11777.8731526537. The cubic root of 138718296 is about 517.6599687491.

It can be divided in two parts, 1387 and 18296, that added together give a 9-th power (19683 = 3⁹).

The spelling of 138718296 in words is "one hundred thirty-eight million, seven hundred eighteen thousand, two hundred ninety-six".