138793476 has 12 divisors (see below), whose sum is σ = 323851472. Its totient is φ = 46264488.

The previous prime is 138793471. The next prime is 138793481. The reversal of 138793476 is 674397831.

It is an interprime number because it is at equal distance from previous prime (138793471) and next prime (138793481).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (138793471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5783050 + ... + 5783073.

Almost surely, 2^138793476 is an apocalyptic number.

It is an amenable number.

138793476 is an abundant number, since it is smaller than the sum of its proper divisors (185057996).

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

138793476 is a wasteful number, since it uses less digits than its factorization.

138793476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11566130 (or 11566128 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 138793476 is about 11781.0642982712. The cubic root of 138793476 is about 517.7534691478.

The spelling of 138793476 in words is "one hundred thirty-eight million, seven hundred ninety-three thousand, four hundred seventy-six".