158713507 has 4 divisors (see below), whose sum is σ = 159193336. Its totient is φ = 158233680.

The previous prime is 158713463. The next prime is 158713519. The reversal of 158713507 is 705317851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158713507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158713007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239418 + ... + 240079.

It is an arithmetic number, because the mean of its divisors is an integer number (39798334).

Almost surely, 2^158713507 is an apocalyptic number.

158713507 is a deficient number, since it is larger than the sum of its proper divisors (479829).

158713507 is an equidigital number, since it uses as much as digits as its factorization.

158713507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479828.

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 158713507 is about 12598.1549045882. The cubic root of 158713507 is about 541.4245730082.

The spelling of 158713507 in words is "one hundred fifty-eight million, seven hundred thirteen thousand, five hundred seven".