15304135197 has 12 divisors (see below), whose sum is σ = 22095911904. Its totient is φ = 9417929040.

The previous prime is 15304135183. The next prime is 15304135201. The reversal of 15304135197 is 79153140351.

It is not a de Polignac number, because 15304135197 - 2⁸ = 15304134941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15304135997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15092329 + ... + 15093342.

It is an arithmetic number, because the mean of its divisors is an integer number (1841325992).

Almost surely, 2^15304135197 is an apocalyptic number.

It is an amenable number.

15304135197 is a deficient number, since it is larger than the sum of its proper divisors (6791776707).

15304135197 is a wasteful number, since it uses less digits than its factorization.

15304135197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30185700 (or 30185687 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The spelling of 15304135197 in words is "fifteen billion, three hundred four million, one hundred thirty-five thousand, one hundred ninety-seven".