139355792 has 10 divisors (see below), whose sum is σ = 270001878. Its totient is φ = 69677888.

The previous prime is 139355791. The next prime is 139355833. The reversal of 139355792 is 297553931.

It can be written as a sum of positive squares in only one way, i.e., 86415616 + 52940176 = 9296^2 + 7276^2 .

It is not an unprimeable number, because it can be changed into a prime (139355791) 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 as a sum of consecutive naturals, namely, 4354853 + ... + 4354884.

Almost surely, 2^139355792 is an apocalyptic number.

It is an amenable number.

139355792 is a deficient number, since it is larger than the sum of its proper divisors (130646086).

139355792 is an equidigital number, since it uses as much as digits as its factorization.

139355792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709745 (or 8709739 counting only the distinct ones).

The product of its digits is 255150, while the sum is 44.

The square root of 139355792 is about 11804.9054210527. The cubic root of 139355792 is about 518.4517458698.

The spelling of 139355792 in words is "one hundred thirty-nine million, three hundred fifty-five thousand, seven hundred ninety-two".