139304125 has 16 divisors (see below), whose sum is σ = 175659120. Its totient is φ = 110284800.

The previous prime is 139304107. The next prime is 139304147. The reversal of 139304125 is 521403931.

It can be written as a sum of positive squares in 8 ways, for example, as 68508729 + 70795396 = 8277^2 + 8414^2 .

It is not a de Polignac number, because 139304125 - 2⁹ = 139303613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139304093 and 139304102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6381 + ... + 17869.

It is an arithmetic number, because the mean of its divisors is an integer number (10978695).

Almost surely, 2^139304125 is an apocalyptic number.

It is an amenable number.

139304125 is a deficient number, since it is larger than the sum of its proper divisors (36354995).

139304125 is an equidigital number, since it uses as much as digits as its factorization.

139304125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11601 (or 11591 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 139304125 is about 11802.7168482515. The cubic root of 139304125 is about 518.3876649129.

The spelling of 139304125 in words is "one hundred thirty-nine million, three hundred four thousand, one hundred twenty-five".