158218134 has 16 divisors (see below), whose sum is σ = 318028800. Its totient is φ = 52473960.

The previous prime is 158218129. The next prime is 158218157. The reversal of 158218134 is 431812851.

It is a junction number, because it is equal to n+sod(n) for n = 158218095 and 158218104.

It is a congruent number.

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, 65062 + ... + 67449.

It is an arithmetic number, because the mean of its divisors is an integer number (19876800).

Almost surely, 2^158218134 is an apocalyptic number.

158218134 is an abundant number, since it is smaller than the sum of its proper divisors (159810666).

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

158218134 is a wasteful number, since it uses less digits than its factorization.

158218134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132715.

The product of its digits is 7680, while the sum is 33.

The square root of 158218134 is about 12578.4790018507. The cubic root of 158218134 is about 540.8606919087.

The spelling of 158218134 in words is "one hundred fifty-eight million, two hundred eighteen thousand, one hundred thirty-four".