158631130 has 48 divisors (see below), whose sum is σ = 333326880. Its totient is φ = 54196128.

The previous prime is 158631127. The next prime is 158631149. The reversal of 158631130 is 31136851.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 255961 + ... + 256579.

It is an arithmetic number, because the mean of its divisors is an integer number (6944310).

Almost surely, 2^158631130 is an apocalyptic number.

158631130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158631130 is an abundant number, since it is smaller than the sum of its proper divisors (174695750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158631130 is a wasteful number, since it uses less digits than its factorization.

158631130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 158631130 is about 12594.8850729175. The cubic root of 158631130 is about 541.3308850134.

Adding to 158631130 its reverse (31136851), we get a palindrome (189767981).

The spelling of 158631130 in words is "one hundred fifty-eight million, six hundred thirty-one thousand, one hundred thirty".