158137199 has 12 divisors (see below), whose sum is σ = 176211168. Its totient is φ = 141783840.

The previous prime is 158137183. The next prime is 158137201. The reversal of 158137199 is 991731851.

It is not a de Polignac number, because 158137199 - 2⁴ = 158137183 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 (158137099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (14684264).

Almost surely, 2^158137199 is an apocalyptic number.

158137199 is a deficient number, since it is larger than the sum of its proper divisors (18073969).

158137199 is a wasteful number, since it uses less digits than its factorization.

158137199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17998 (or 17987 counting only the distinct ones).

The product of its digits is 68040, while the sum is 44.

The square root of 158137199 is about 12575.2613889334. The cubic root of 158137199 is about 540.7684521102.

The spelling of 158137199 in words is "one hundred fifty-eight million, one hundred thirty-seven thousand, one hundred ninety-nine".