139083425 has 12 divisors (see below), whose sum is σ = 185730300. Its totient is φ = 102707520.

The previous prime is 139083419. The next prime is 139083431. The reversal of 139083425 is 524380931.

It is an interprime number because it is at equal distance from previous prime (139083419) and next prime (139083431).

It can be written as a sum of positive squares in 6 ways, for example, as 52519009 + 86564416 = 7247^2 + 9304^2 .

It is not a de Polignac number, because 139083425 - 2¹⁰ = 139082401 is a prime.

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, 213650 + ... + 214299.

It is an arithmetic number, because the mean of its divisors is an integer number (15477525).

Almost surely, 2^139083425 is an apocalyptic number.

It is an amenable number.

139083425 is a deficient number, since it is larger than the sum of its proper divisors (46646875).

139083425 is a wasteful number, since it uses less digits than its factorization.

139083425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427972 (or 427967 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 139083425 is about 11793.3635999235. The cubic root of 139083425 is about 518.1137590972.

The spelling of 139083425 in words is "one hundred thirty-nine million, eighty-three thousand, four hundred twenty-five".