139394382 has 16 divisors (see below), whose sum is σ = 279521280. Its totient is φ = 46342712.

The previous prime is 139394377. The next prime is 139394389. The reversal of 139394382 is 283493931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139394389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28032 + ... + 32627.

It is an arithmetic number, because the mean of its divisors is an integer number (17470080).

Almost surely, 2^139394382 is an apocalyptic number.

139394382 is an abundant number, since it is smaller than the sum of its proper divisors (140126898).

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

139394382 is a wasteful number, since it uses less digits than its factorization.

139394382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61047.

The product of its digits is 139968, while the sum is 42.

The square root of 139394382 is about 11806.5397979256. The cubic root of 139394382 is about 518.4995975022.

The spelling of 139394382 in words is "one hundred thirty-nine million, three hundred ninety-four thousand, three hundred eighty-two".