158936507 has 2 divisors, whose sum is σ = 158936508. Its totient is φ = 158936506.

The previous prime is 158936489. The next prime is 158936513. The reversal of 158936507 is 705639851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158936507 - 2¹⁸ = 158674363 is a prime.

It is a super-2 number, since 2×158936507² = 50521626514722098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158936527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79468253 + 79468254.

It is an arithmetic number, because the mean of its divisors is an integer number (79468254).

Almost surely, 2^158936507 is an apocalyptic number.

158936507 is a deficient number, since it is larger than the sum of its proper divisors (1).

158936507 is an equidigital number, since it uses as much as digits as its factorization.

158936507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 158936507 is about 12607.0023003091. The cubic root of 158936507 is about 541.6780300680.

The spelling of 158936507 in words is "one hundred fifty-eight million, nine hundred thirty-six thousand, five hundred seven".