139596425 has 6 divisors (see below), whose sum is σ = 173099598. Its totient is φ = 111677120.

The previous prime is 139596421. The next prime is 139596427. The reversal of 139596425 is 524695931.

It can be written as a sum of positive squares in 3 ways, for example, as 7070281 + 132526144 = 2659^2 + 11512^2 .

It is not a de Polignac number, because 139596425 - 2² = 139596421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139596421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2791904 + ... + 2791953.

It is an arithmetic number, because the mean of its divisors is an integer number (28849933).

Almost surely, 2^139596425 is an apocalyptic number.

It is an amenable number.

139596425 is a deficient number, since it is larger than the sum of its proper divisors (33503173).

139596425 is an equidigital number, since it uses as much as digits as its factorization.

139596425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583867 (or 5583862 counting only the distinct ones).

The product of its digits is 291600, while the sum is 44.

The square root of 139596425 is about 11815.0931016222. The cubic root of 139596425 is about 518.7499869357.

The spelling of 139596425 in words is "one hundred thirty-nine million, five hundred ninety-six thousand, four hundred twenty-five".