158136 has 32 divisors (see below), whose sum is σ = 432000. Its totient is φ = 47840.

The previous prime is 158129. The next prime is 158141. The reversal of 158136 is 631851.

158136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (13500).

2¹⁵⁸¹³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216000).

158136 is an abundant number, since it is smaller than the sum of its proper divisors (273864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158136 is a wasteful number, since it uses less digits than its factorization.

158136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 615 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 158136 is about 397.6631740556. The cubic root of 158136 is about 54.0767085400.

Adding to 158136 its reverse (631851), we get a palindrome (789987).

The spelling of 158136 in words is "one hundred fifty-eight thousand, one hundred thirty-six".