158436113 has 8 divisors (see below), whose sum is σ = 172990080. Its totient is φ = 143907280.

The previous prime is 158436101. The next prime is 158436119. The reversal of 158436113 is 311634851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158436113 - 2⁸ = 158435857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158436113.

It is not an unprimeable number, because it can be changed into a prime (158436119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8408 + ... + 19686.

It is an arithmetic number, because the mean of its divisors is an integer number (21623760).

Almost surely, 2^158436113 is an apocalyptic number.

It is an amenable number.

158436113 is a deficient number, since it is larger than the sum of its proper divisors (14553967).

158436113 is a wasteful number, since it uses less digits than its factorization.

158436113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567.

The product of its digits is 8640, while the sum is 32.

The square root of 158436113 is about 12587.1407793827. The cubic root of 158436113 is about 541.1089613260.

The spelling of 158436113 in words is "one hundred fifty-eight million, four hundred thirty-six thousand, one hundred thirteen".