158391941334 has 32 divisors (see below), whose sum is σ = 345603331584. Its totient is φ = 47994653280.

The previous prime is 158391941327. The next prime is 158391941347. The reversal of 158391941334 is 433149193851.

It is a happy number.

It is a super-3 number, since 3×158391941334³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191747 + ... + 1317969.

It is an arithmetic number, because the mean of its divisors is an integer number (10800104112).

Almost surely, 2^158391941334 is an apocalyptic number.

158391941334 is an abundant number, since it is smaller than the sum of its proper divisors (187211390250).

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

158391941334 is a wasteful number, since it uses less digits than its factorization.

158391941334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145252.

The product of its digits is 1399680, while the sum is 51.

The spelling of 158391941334 in words is "one hundred fifty-eight billion, three hundred ninety-one million, nine hundred forty-one thousand, three hundred thirty-four".