1313891767 has 8 divisors (see below), whose sum is σ = 1451666016. Its totient is φ = 1182838272.

The previous prime is 1313891737. The next prime is 1313891779. The reversal of 1313891767 is 7671983131.

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 1313891767 - 2¹⁵ = 1313858999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313891737) 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, 1679778 + ... + 1680559.

It is an arithmetic number, because the mean of its divisors is an integer number (181458252).

Almost surely, 2^1313891767 is an apocalyptic number.

1313891767 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1313891767 is a deficient number, since it is larger than the sum of its proper divisors (137774249).

1313891767 is a wasteful number, since it uses less digits than its factorization.

1313891767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360377.

The product of its digits is 190512, while the sum is 46.

The square root of 1313891767 is about 36247.6449855711. The cubic root of 1313891767 is about 1095.2666495447.

The spelling of 1313891767 in words is "one billion, three hundred thirteen million, eight hundred ninety-one thousand, seven hundred sixty-seven".