158836 has 6 divisors (see below), whose sum is σ = 277970. Its totient is φ = 79416.

The previous prime is 158803. The next prime is 158843. The reversal of 158836 is 638851.

158836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155236 + 3600 = 394^2 + 60^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158798 and 158807.

It is a congruent number.

It is an unprimeable number.

158836 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19851 + ... + 19858.

2¹⁵⁸⁸³⁶ is an apocalyptic number.

It is an amenable number.

158836 is a deficient number, since it is larger than the sum of its proper divisors (119134).

158836 is a wasteful number, since it uses less digits than its factorization.

158836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39713 (or 39711 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 158836 is about 398.5423440489. The cubic root of 158836 is about 54.1563825315.

The spelling of 158836 in words is "one hundred fifty-eight thousand, eight hundred thirty-six".