158213427 has 8 divisors (see below), whose sum is σ = 214931664. Its totient is φ = 103485408.

The previous prime is 158213401. The next prime is 158213467. The reversal of 158213427 is 724312851.

158213427 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 158213427 - 2²³ = 149824819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158213467) 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, 497368 + ... + 497685.

It is an arithmetic number, because the mean of its divisors is an integer number (26866458).

Almost surely, 2^158213427 is an apocalyptic number.

158213427 is a deficient number, since it is larger than the sum of its proper divisors (56718237).

158213427 is an equidigital number, since it uses as much as digits as its factorization.

158213427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995109.

The product of its digits is 13440, while the sum is 33.

The square root of 158213427 is about 12578.2918951661. The cubic root of 158213427 is about 540.8553283083.

The spelling of 158213427 in words is "one hundred fifty-eight million, two hundred thirteen thousand, four hundred twenty-seven".