159356394 has 24 divisors (see below), whose sum is σ = 347595300. Its totient is φ = 52761408.

The previous prime is 159356387. The next prime is 159356423. The reversal of 159356394 is 493653951.

159356394 is a `hidden beast` number, since 1 + 5 + 9 + 3 + 5 + 639 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 158382225 + 974169 = 12585^2 + 987^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27027 + ... + 32390.

Almost surely, 2^159356394 is an apocalyptic number.

159356394 is an abundant number, since it is smaller than the sum of its proper divisors (188238906).

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

159356394 is a wasteful number, since it uses less digits than its factorization.

159356394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59574 (or 59571 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 159356394 is about 12623.6442440367. The cubic root of 159356394 is about 542.1546219890.

The spelling of 159356394 in words is "one hundred fifty-nine million, three hundred fifty-six thousand, three hundred ninety-four".