1375137625 has 16 divisors (see below), whose sum is σ = 1723767552. Its totient is φ = 1095241200.

The previous prime is 1375137613. The next prime is 1375137641. The reversal of 1375137625 is 5267315731.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1375137625 is a prime.

It is a Duffinian 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, 4144 + ... + 52606.

It is an arithmetic number, because the mean of its divisors is an integer number (107735472).

Almost surely, 2^1375137625 is an apocalyptic number.

It is an amenable number.

1375137625 is a deficient number, since it is larger than the sum of its proper divisors (348629927).

1375137625 is an equidigital number, since it uses as much as digits as its factorization.

1375137625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48705 (or 48695 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 1375137625 is about 37082.8481241665. The cubic root of 1375137625 is about 1112.0271440784.

The spelling of 1375137625 in words is "one billion, three hundred seventy-five million, one hundred thirty-seven thousand, six hundred twenty-five".