139233025 has 12 divisors (see below), whose sum is σ = 173294464. Its totient is φ = 110970000.

The previous prime is 139232981. The next prime is 139233041. The reversal of 139233025 is 520332931.

It is not a de Polignac number, because 139233025 - 2¹⁹ = 138708737 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139232984 and 139233002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3501 + ... + 17050.

Almost surely, 2^139233025 is an apocalyptic number.

It is an amenable number.

139233025 is a deficient number, since it is larger than the sum of its proper divisors (34061439).

139233025 is a wasteful number, since it uses less digits than its factorization.

139233025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20832 (or 20827 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 139233025 is about 11799.7044454512. The cubic root of 139233025 is about 518.2994559065.

Adding to 139233025 its reverse (520332931), we get a palindrome (659565956).

The spelling of 139233025 in words is "one hundred thirty-nine million, two hundred thirty-three thousand, twenty-five".