1375139125 has 16 divisors (see below), whose sum is σ = 1719664128. Its totient is φ = 1097874000.

The previous prime is 1375139123. The next prime is 1375139131. The reversal of 1375139125 is 5219315731.

It is not a de Polignac number, because 1375139125 - 2¹ = 1375139123 is a prime.

It is a super-2 number, since 2×1375139125² = 3782015226211531250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375139123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51940 + ... + 73810.

It is an arithmetic number, because the mean of its divisors is an integer number (107479008).

Almost surely, 2^1375139125 is an apocalyptic number.

It is an amenable number.

1375139125 is a deficient number, since it is larger than the sum of its proper divisors (344525003).

1375139125 is an equidigital number, since it uses as much as digits as its factorization.

1375139125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22389 (or 22379 counting only the distinct ones).

The product of its digits is 28350, while the sum is 37.

The square root of 1375139125 is about 37082.8683491447. The cubic root of 1375139125 is about 1112.0275484113.

The spelling of 1375139125 in words is "one billion, three hundred seventy-five million, one hundred thirty-nine thousand, one hundred twenty-five".