139694382 has 24 divisors (see below), whose sum is σ = 313882296. Its totient is φ = 46564632.

The previous prime is 139694377. The next prime is 139694383. The reversal of 139694382 is 283496931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139694383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143233 + ... + 144204.

It is an arithmetic number, because the mean of its divisors is an integer number (13078429).

Almost surely, 2^139694382 is an apocalyptic number.

139694382 is an abundant number, since it is smaller than the sum of its proper divisors (174187914).

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

139694382 is an equidigital number, since it uses as much as digits as its factorization.

139694382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287454 (or 287442 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 139694382 is about 11819.2377926836. The cubic root of 139694382 is about 518.8712968980.

The spelling of 139694382 in words is "one hundred thirty-nine million, six hundred ninety-four thousand, three hundred eighty-two".