1375128004 has 12 divisors (see below), whose sum is σ = 2406930624. Its totient is φ = 687433544.

The previous prime is 1375127959. The next prime is 1375128017. The reversal of 1375128004 is 4008215731.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6592 + ... + 52855.

It is an arithmetic number, because the mean of its divisors is an integer number (200577552).

Almost surely, 2^1375128004 is an apocalyptic number.

It is an amenable number.

1375128004 is a deficient number, since it is larger than the sum of its proper divisors (1031802620).

1375128004 is a wasteful number, since it uses less digits than its factorization.

1375128004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65234 (or 65232 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1375128004 is about 37082.7184008940. The cubic root of 1375128004 is about 1112.0245506803.

The spelling of 1375128004 in words is "one billion, three hundred seventy-five million, one hundred twenty-eight thousand, four".