15138906163 has 8 divisors (see below), whose sum is σ = 15671430000. Its totient is φ = 14607081888.

The previous prime is 15138906161. The next prime is 15138906217. The reversal of 15138906163 is 36160983151.

It is a happy number.

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 15138906163 - 2¹ = 15138906161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15138906161) 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, 130656 + ... + 217597.

It is an arithmetic number, because the mean of its divisors is an integer number (1958928750).

Almost surely, 2^15138906163 is an apocalyptic number.

15138906163 is a deficient number, since it is larger than the sum of its proper divisors (532523837).

15138906163 is a wasteful number, since it uses less digits than its factorization.

15138906163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349781.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 15138906163 in words is "fifteen billion, one hundred thirty-eight million, nine hundred six thousand, one hundred sixty-three".