1361864313 has 16 divisors (see below), whose sum is σ = 2021640000. Its totient is φ = 906081120.

The previous prime is 1361864299. The next prime is 1361864347. The reversal of 1361864313 is 3134681631.

1361864313 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 8 + 643 + 1 + 3 = 666.

It is not a de Polignac number, because 1361864313 - 2¹⁰ = 1361863289 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1361824313) 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, 37068 + ... + 64013.

It is an arithmetic number, because the mean of its divisors is an integer number (126352500).

Almost surely, 2^1361864313 is an apocalyptic number.

It is an amenable number.

1361864313 is a deficient number, since it is larger than the sum of its proper divisors (659775687).

1361864313 is a wasteful number, since it uses less digits than its factorization.

1361864313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101589 (or 101583 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1361864313 is about 36903.4458147203. The cubic root of 1361864313 is about 1108.4376778891.

The spelling of 1361864313 in words is "one billion, three hundred sixty-one million, eight hundred sixty-four thousand, three hundred thirteen".