15139125 has 24 divisors (see below), whose sum is σ = 27292824. Its totient is φ = 8073600.

The previous prime is 15139121. The next prime is 15139141. The reversal of 15139125 is 52193151.

It can be written as a sum of positive squares in 4 ways, for example, as 439569 + 14699556 = 663^2 + 3834^2 .

It is not a de Polignac number, because 15139125 - 2² = 15139121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15139121) 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 in 23 ways as a sum of consecutive naturals, for example, 5604 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (1137201).

Almost surely, 2^15139125 is an apocalyptic number.

15139125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15139125 is a deficient number, since it is larger than the sum of its proper divisors (12153699).

15139125 is a wasteful number, since it uses less digits than its factorization.

15139125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478 (or 13465 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 15139125 is about 3890.9028515243. The cubic root of 15139125 is about 247.3813327666.

The spelling of 15139125 in words is "fifteen million, one hundred thirty-nine thousand, one hundred twenty-five".