138607482 has 32 divisors (see below), whose sum is σ = 298988928. Its totient is φ = 42584256.

The previous prime is 138607481. The next prime is 138607493. The reversal of 138607482 is 284706831.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 138607482.

It is not an unprimeable number, because it can be changed into a prime (138607481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94668 + ... + 96120.

It is an arithmetic number, because the mean of its divisors is an integer number (9343404).

Almost surely, 2^138607482 is an apocalyptic number.

138607482 is an abundant number, since it is smaller than the sum of its proper divisors (160381446).

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

138607482 is a wasteful number, since it uses less digits than its factorization.

138607482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 138607482 is about 11773.1678829447. The cubic root of 138607482 is about 517.5220891876.

The spelling of 138607482 in words is "one hundred thirty-eight million, six hundred seven thousand, four hundred eighty-two".