15136969823 has 8 divisors (see below), whose sum is σ = 15359284896. Its totient is φ = 14915059200.

The previous prime is 15136969811. The next prime is 15136969909. The reversal of 15136969823 is 32896963151.

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 15136969823 - 2⁴ = 15136969807 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 (15136960823) 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, 25298 + ... + 175823.

It is an arithmetic number, because the mean of its divisors is an integer number (1919910612).

Almost surely, 2^15136969823 is an apocalyptic number.

15136969823 is a deficient number, since it is larger than the sum of its proper divisors (222315073).

15136969823 is a wasteful number, since it uses less digits than its factorization.

15136969823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202225.

The product of its digits is 2099520, while the sum is 53.

The spelling of 15136969823 in words is "fifteen billion, one hundred thirty-six million, nine hundred sixty-nine thousand, eight hundred twenty-three".