139427382 has 16 divisors (see below), whose sum is σ = 278990640. Its totient is φ = 46453152.

The previous prime is 139427381. The next prime is 139427399. The reversal of 139427382 is 283724931.

It is a self number, because there is not a number n which added to its sum of digits gives 139427382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139427381) 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, 11844 + ... + 20472.

It is an arithmetic number, because the mean of its divisors is an integer number (17436915).

Almost surely, 2^139427382 is an apocalyptic number.

139427382 is an abundant number, since it is smaller than the sum of its proper divisors (139563258).

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

139427382 is a wasteful number, since it uses less digits than its factorization.

139427382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11327.

The product of its digits is 72576, while the sum is 39.

The square root of 139427382 is about 11807.9372457682. The cubic root of 139427382 is about 518.5405105252.

The spelling of 139427382 in words is "one hundred thirty-nine million, four hundred twenty-seven thousand, three hundred eighty-two".