1313686077 has 16 divisors (see below), whose sum is σ = 1955255808. Its totient is φ = 777656880.

The previous prime is 1313686063. The next prime is 1313686079. The reversal of 1313686077 is 7706863131.

It is not a de Polignac number, because 1313686077 - 2¹⁶ = 1313620541 is a prime.

It is a super-2 number, since 2×1313686077² = 3451542217807299858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313686079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461473 + ... + 464310.

It is an arithmetic number, because the mean of its divisors is an integer number (122203488).

Almost surely, 2^1313686077 is an apocalyptic number.

It is an amenable number.

1313686077 is a deficient number, since it is larger than the sum of its proper divisors (641569731).

1313686077 is a wasteful number, since it uses less digits than its factorization.

1313686077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925840.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1313686077 is about 36244.8075867427. The cubic root of 1313686077 is about 1095.2094918295.

The spelling of 1313686077 in words is "one billion, three hundred thirteen million, six hundred eighty-six thousand, seventy-seven".