1379392975 has 12 divisors (see below), whose sum is σ = 1769429160. Its totient is φ = 1065461600.

The previous prime is 1379392909. The next prime is 1379393017. The reversal of 1379392975 is 5792939731.

It is not a de Polignac number, because 1379392975 - 2¹⁵ = 1379360207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 950581 + ... + 952030.

It is an arithmetic number, because the mean of its divisors is an integer number (147452430).

Almost surely, 2^1379392975 is an apocalyptic number.

1379392975 is a deficient number, since it is larger than the sum of its proper divisors (390036185).

1379392975 is a wasteful number, since it uses less digits than its factorization.

1379392975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902650 (or 1902645 counting only the distinct ones).

The product of its digits is 3214890, while the sum is 55.

The square root of 1379392975 is about 37140.1800614914. The cubic root of 1379392975 is about 1113.1730153198.

The spelling of 1379392975 in words is "one billion, three hundred seventy-nine million, three hundred ninety-two thousand, nine hundred seventy-five".