1139517125 has 16 divisors (see below), whose sum is σ = 1423212336. Its totient is φ = 910912000.

The previous prime is 1139517019. The next prime is 1139517131. The reversal of 1139517125 is 5217159311.

It can be written as a sum of positive squares in 8 ways, for example, as 106151809 + 1033365316 = 10303^2 + 32146^2 .

It is not a de Polignac number, because 1139517125 - 2²⁴ = 1122739909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212477 + ... + 217773.

It is an arithmetic number, because the mean of its divisors is an integer number (88950771).

Almost surely, 2^1139517125 is an apocalyptic number.

It is an amenable number.

1139517125 is a deficient number, since it is larger than the sum of its proper divisors (283695211).

1139517125 is an equidigital number, since it uses as much as digits as its factorization.

1139517125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033 (or 7023 counting only the distinct ones).

The product of its digits is 9450, while the sum is 35.

The square root of 1139517125 is about 33756.7345132790. The cubic root of 1139517125 is about 1044.4964111280.

The spelling of 1139517125 in words is "one billion, one hundred thirty-nine million, five hundred seventeen thousand, one hundred twenty-five".