138793296 has 20 divisors (see below), whose sum is σ = 358549472. Its totient is φ = 46264416.

The previous prime is 138793289. The next prime is 138793301. The reversal of 138793296 is 692397831.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2891527 = 138793296 / (1 + 3 + 8 + 7 + 9 + 3 + 2 + 9 + 6).

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, 1445716 + ... + 1445811.

Almost surely, 2^138793296 is an apocalyptic number.

138793296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138793296 is an abundant number, since it is smaller than the sum of its proper divisors (219756176).

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

138793296 is a wasteful number, since it uses less digits than its factorization.

138793296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891538 (or 2891532 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 138793296 is about 11781.0566588910. The cubic root of 138793296 is about 517.7532453244.

The spelling of 138793296 in words is "one hundred thirty-eight million, seven hundred ninety-three thousand, two hundred ninety-six".