158913117 has 16 divisors (see below), whose sum is σ = 256829760. Its totient is φ = 96310800.

The previous prime is 158913109. The next prime is 158913151. The reversal of 158913117 is 711319851.

It is not a de Polignac number, because 158913117 - 2³ = 158913109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158913107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267234 + ... + 267827.

It is an arithmetic number, because the mean of its divisors is an integer number (16051860).

Almost surely, 2^158913117 is an apocalyptic number.

It is an amenable number.

158913117 is a deficient number, since it is larger than the sum of its proper divisors (97916643).

158913117 is a wasteful number, since it uses less digits than its factorization.

158913117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535081 (or 535075 counting only the distinct ones).

The product of its digits is 7560, while the sum is 36.

The square root of 158913117 is about 12606.0746071091. The cubic root of 158913117 is about 541.6514566248.

It can be divided in two parts, 1589 and 13117, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 158913117 in words is "one hundred fifty-eight million, nine hundred thirteen thousand, one hundred seventeen".