1313137612799 has 4 divisors (see below), whose sum is σ = 1313379939240. Its totient is φ = 1312895286360.

The previous prime is 1313137612789. The next prime is 1313137612819. The reversal of 1313137612799 is 9972167313131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313137612799 - 2⁴ = 1313137612783 is a prime.

It is a super-2 number, since 2×1313137612799² (a number of 25 digits) contains 22 as substring.

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 1313137612799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313137612789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121155092 + ... + 121165929.

It is an arithmetic number, because the mean of its divisors is an integer number (328344984810).

Almost surely, 2^{1313137612799} is an apocalyptic number.

1313137612799 is a deficient number, since it is larger than the sum of its proper divisors (242326441).

1313137612799 is an equidigital number, since it uses as much as digits as its factorization.

1313137612799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242326440.

The product of its digits is 1285956, while the sum is 53.

The spelling of 1313137612799 in words is "one trillion, three hundred thirteen billion, one hundred thirty-seven million, six hundred twelve thousand, seven hundred ninety-nine".