1399323156131 has 8 divisors (see below), whose sum is σ = 1422889844400. Its totient is φ = 1375776692640.

The previous prime is 1399323156109. The next prime is 1399323156251. The reversal of 1399323156131 is 1316513239931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1399323156131 - 2²² = 1399318961827 is a prime.

It is a super-2 number, since 2×1399323156131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1399323156431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4916621 + ... + 5193438.

It is an arithmetic number, because the mean of its divisors is an integer number (177861230550).

Almost surely, 2^{1399323156131} is an apocalyptic number.

1399323156131 is a deficient number, since it is larger than the sum of its proper divisors (23566688269).

1399323156131 is a wasteful number, since it uses less digits than its factorization.

1399323156131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112389.

The product of its digits is 393660, while the sum is 47.

The spelling of 1399323156131 in words is "one trillion, three hundred ninety-nine billion, three hundred twenty-three million, one hundred fifty-six thousand, one hundred thirty-one".