158713117 has 4 divisors (see below), whose sum is σ = 160284636. Its totient is φ = 157141600.

The previous prime is 158713103. The next prime is 158713123. The reversal of 158713117 is 711317851.

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

It can be written as a sum of positive squares in 2 ways, for example, as 136679481 + 22033636 = 11691^2 + 4694^2 .

It is a cyclic number.

It is not a de Polignac number, because 158713117 - 2⁷ = 158712989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158713157) 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, 785608 + ... + 785809.

It is an arithmetic number, because the mean of its divisors is an integer number (40071159).

Almost surely, 2^158713117 is an apocalyptic number.

It is an amenable number.

158713117 is a deficient number, since it is larger than the sum of its proper divisors (1571519).

158713117 is a wasteful number, since it uses less digits than its factorization.

158713117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571518.

The product of its digits is 5880, while the sum is 34.

The square root of 158713117 is about 12598.1394261216. The cubic root of 158713117 is about 541.4241295346.

The spelling of 158713117 in words is "one hundred fifty-eight million, seven hundred thirteen thousand, one hundred seventeen".