158119672731 has 8 divisors (see below), whose sum is σ = 210828189264. Its totient is φ = 105412135680.

The previous prime is 158119672729. The next prime is 158119672747. The reversal of 158119672731 is 137276911851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158119672731 - 2¹ = 158119672729 is a prime.

It is a super-2 number, since 2×158119672731² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (158119672721) 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, 314071 + ... + 644111.

It is an arithmetic number, because the mean of its divisors is an integer number (26353523658).

Almost surely, 2^158119672731 is an apocalyptic number.

158119672731 is a deficient number, since it is larger than the sum of its proper divisors (52708516533).

158119672731 is a wasteful number, since it uses less digits than its factorization.

158119672731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489741.

The product of its digits is 635040, while the sum is 51.

The spelling of 158119672731 in words is "one hundred fifty-eight billion, one hundred nineteen million, six hundred seventy-two thousand, seven hundred thirty-one".