158131125 has 48 divisors (see below), whose sum is σ = 286580736. Its totient is φ = 83887200.

The previous prime is 158131109. The next prime is 158131139. The reversal of 158131125 is 521131851.

It is not a de Polignac number, because 158131125 - 2⁴ = 158131109 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412684 + ... + 413066.

It is an arithmetic number, because the mean of its divisors is an integer number (5970432).

Almost surely, 2^158131125 is an apocalyptic number.

158131125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158131125 is a deficient number, since it is larger than the sum of its proper divisors (128449611).

158131125 is a wasteful number, since it uses less digits than its factorization.

158131125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 758 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 158131125 is about 12575.0198807000. The cubic root of 158131125 is about 540.7615284396.

Adding to 158131125 its reverse (521131851), we get a palindrome (679262976).

The spelling of 158131125 in words is "one hundred fifty-eight million, one hundred thirty-one thousand, one hundred twenty-five".