158434131 has 8 divisors (see below), whose sum is σ = 211709584. Its totient is φ = 105390720.

The previous prime is 158434109. The next prime is 158434139. The reversal of 158434131 is 131434851.

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

It is not a de Polignac number, because 158434131 - 2⁵ = 158434099 is a prime.

It is a super-2 number, since 2×158434131² = 50202747731450322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158434139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56410 + ... + 59151.

It is an arithmetic number, because the mean of its divisors is an integer number (26463698).

Almost surely, 2^158434131 is an apocalyptic number.

158434131 is a deficient number, since it is larger than the sum of its proper divisors (53275453).

158434131 is a wasteful number, since it uses less digits than its factorization.

158434131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116021.

The product of its digits is 5760, while the sum is 30.

The square root of 158434131 is about 12587.0620479920. The cubic root of 158434131 is about 541.1067049329.

Adding to 158434131 its reverse (131434851), we get a palindrome (289868982).

The spelling of 158434131 in words is "one hundred fifty-eight million, four hundred thirty-four thousand, one hundred thirty-one".