1375128904 has 32 divisors (see below), whose sum is σ = 2641416480. Its totient is φ = 670944384.

The previous prime is 1375128893. The next prime is 1375128919. The reversal of 1375128904 is 4098215731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45364 + ... + 69340.

It is an arithmetic number, because the mean of its divisors is an integer number (82544265).

Almost surely, 2^1375128904 is an apocalyptic number.

It is an amenable number.

1375128904 is a deficient number, since it is larger than the sum of its proper divisors (1266287576).

1375128904 is a wasteful number, since it uses less digits than its factorization.

1375128904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24157 (or 24153 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1375128904 is about 37082.7305359247. The cubic root of 1375128904 is about 1112.0247932812.

The spelling of 1375128904 in words is "one billion, three hundred seventy-five million, one hundred twenty-eight thousand, nine hundred four".