1399035521792 has 36 divisors (see below), whose sum is σ = 2793551977776. Its totient is φ = 699280819200.

The previous prime is 1399035521687. The next prime is 1399035521827. The reversal of 1399035521792 is 2971255309931.

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, 167084 + ... + 1681067.

Almost surely, 2^{1399035521792} is an apocalyptic number.

It is an amenable number.

1399035521792 is a deficient number, since it is larger than the sum of its proper divisors (1394516455984).

1399035521792 is an equidigital number, since it uses as much as digits as its factorization.

1399035521792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851124 (or 1851110 counting only the distinct ones).

The product of its (nonzero) digits is 4592700, while the sum is 56.

The spelling of 1399035521792 in words is "one trillion, three hundred ninety-nine billion, thirty-five million, five hundred twenty-one thousand, seven hundred ninety-two".