158136513 has 8 divisors (see below), whose sum is σ = 210936576. Its totient is φ = 105380400.

The previous prime is 158136509. The next prime is 158136527. The reversal of 158136513 is 315631851.

158136513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 158136513 - 2² = 158136509 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (158134513) 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, 1393 + ... + 17838.

It is an arithmetic number, because the mean of its divisors is an integer number (26367072).

Almost surely, 2^158136513 is an apocalyptic number.

It is an amenable number.

158136513 is a deficient number, since it is larger than the sum of its proper divisors (52800063).

158136513 is a wasteful number, since it uses less digits than its factorization.

158136513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21975.

The product of its digits is 10800, while the sum is 33.

The square root of 158136513 is about 12575.2341131289. The cubic root of 158136513 is about 540.7676701569.

The spelling of 158136513 in words is "one hundred fifty-eight million, one hundred thirty-six thousand, five hundred thirteen".