1375138325 has 12 divisors (see below), whose sum is σ = 1860187488. Its totient is φ = 1000100400.

The previous prime is 1375138301. The next prime is 1375138367. The reversal of 1375138325 is 5238315731.

It is not a de Polignac number, because 1375138325 - 2¹⁶ = 1375072789 is a prime.

It is a Duffinian number.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 2499977 + ... + 2500526.

It is an arithmetic number, because the mean of its divisors is an integer number (155015624).

Almost surely, 2^1375138325 is an apocalyptic number.

It is an amenable number.

1375138325 is a deficient number, since it is larger than the sum of its proper divisors (485049163).

1375138325 is a wasteful number, since it uses less digits than its factorization.

1375138325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000524 (or 5000519 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 1375138325 is about 37082.8575624911. The cubic root of 1375138325 is about 1112.0273327672.

The spelling of 1375138325 in words is "one billion, three hundred seventy-five million, one hundred thirty-eight thousand, three hundred twenty-five".