1361023596 has 18 divisors (see below), whose sum is σ = 3440365292. Its totient is φ = 453674520.

The previous prime is 1361023589. The next prime is 1361023619. The reversal of 1361023596 is 6953201631.

1361023596 is a `hidden beast` number, since 1 + 3 + 61 + 0 + 2 + 3 + 596 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 37806211 = 1361023596 / (1 + 3 + 6 + 1 + 0 + 2 + 3 + 5 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1361023596.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18903070 + ... + 18903141.

Almost surely, 2^1361023596 is an apocalyptic number.

It is an amenable number.

1361023596 is an abundant number, since it is smaller than the sum of its proper divisors (2079341696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361023596 is a wasteful number, since it uses less digits than its factorization.

1361023596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37806221 (or 37806216 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 1361023596 is about 36892.0532906478. The cubic root of 1361023596 is about 1108.2095410586.

The spelling of 1361023596 in words is "one billion, three hundred sixty-one million, twenty-three thousand, five hundred ninety-six".