1399076975 has 12 divisors (see below), whose sum is σ = 1735379256. Its totient is φ = 1118923680.

The previous prime is 1399076969. The next prime is 1399076983. The reversal of 1399076975 is 5796709931.

It is a de Polignac number, because none of the positive numbers 2^k-1399076975 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1399076975.

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, 106889 + ... + 119261.

It is an arithmetic number, because the mean of its divisors is an integer number (144614938).

Almost surely, 2^1399076975 is an apocalyptic number.

1399076975 is a deficient number, since it is larger than the sum of its proper divisors (336302281).

1399076975 is a wasteful number, since it uses less digits than its factorization.

1399076975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16906 (or 16901 counting only the distinct ones).

The product of its (nonzero) digits is 3214890, while the sum is 56.

The square root of 1399076975 is about 37404.2373936430. The cubic root of 1399076975 is about 1118.4430361596.

The spelling of 1399076975 in words is "one billion, three hundred ninety-nine million, seventy-six thousand, nine hundred seventy-five".