1313139995 has 8 divisors (see below), whose sum is σ = 1588176384. Its totient is φ = 1042239744.

The previous prime is 1313139991. The next prime is 1313140001. The reversal of 1313139995 is 5999313131.

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 1313139995 - 2² = 1313139991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313139991) 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, 1033334 + ... + 1034603.

It is an arithmetic number, because the mean of its divisors is an integer number (198522048).

Almost surely, 2^1313139995 is an apocalyptic number.

1313139995 is a deficient number, since it is larger than the sum of its proper divisors (275036389).

1313139995 is a wasteful number, since it uses less digits than its factorization.

1313139995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068069.

The product of its digits is 98415, while the sum is 44.

The square root of 1313139995 is about 36237.2735591407. The cubic root of 1313139995 is about 1095.0577160768.

The spelling of 1313139995 in words is "one billion, three hundred thirteen million, one hundred thirty-nine thousand, nine hundred ninety-five".