1361759913 has 24 divisors (see below), whose sum is σ = 2015077376. Its totient is φ = 885880800.

The previous prime is 1361759869. The next prime is 1361759941. The reversal of 1361759913 is 3199571631.

It is a happy number.

1361759913 is a `hidden beast` number, since 1 + 36 + 17 + 599 + 13 = 666.

It is not a de Polignac number, because 1361759913 - 2⁹ = 1361759401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361759983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59958 + ... + 79488.

Almost surely, 2^1361759913 is an apocalyptic number.

It is an amenable number.

1361759913 is a deficient number, since it is larger than the sum of its proper divisors (653317463).

1361759913 is a wasteful number, since it uses less digits than its factorization.

1361759913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19725 (or 19722 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 1361759913 is about 36902.0312855539. The cubic root of 1361759913 is about 1108.4093530285.

The spelling of 1361759913 in words is "one billion, three hundred sixty-one million, seven hundred fifty-nine thousand, nine hundred thirteen".