139528382 has 12 divisors (see below), whose sum is σ = 243462960. Its totient is φ = 59797836.

The previous prime is 139528357. The next prime is 139528387. The reversal of 139528382 is 283825931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139528387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 711782 + ... + 711977.

It is an arithmetic number, because the mean of its divisors is an integer number (20288580).

Almost surely, 2^139528382 is an apocalyptic number.

139528382 is a deficient number, since it is larger than the sum of its proper divisors (103934578).

139528382 is a wasteful number, since it uses less digits than its factorization.

139528382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423775 (or 1423768 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 139528382 is about 11812.2132557790. The cubic root of 139528382 is about 518.6656890705.

The spelling of 139528382 in words is "one hundred thirty-nine million, five hundred twenty-eight thousand, three hundred eighty-two".