159340018 has 4 divisors (see below), whose sum is σ = 239010030. Its totient is φ = 79670008.

The previous prime is 159339979. The next prime is 159340033. The reversal of 159340018 is 810043951.

159340018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124612569 + 34727449 = 11163^2 + 5893^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39835003 + ... + 39835006.

Almost surely, 2^159340018 is an apocalyptic number.

159340018 is a deficient number, since it is larger than the sum of its proper divisors (79670012).

159340018 is an equidigital number, since it uses as much as digits as its factorization.

159340018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79670011.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 159340018 is about 12622.9956032631. The cubic root of 159340018 is about 542.1360501409.

Adding to 159340018 its reverse (810043951), we get a palindrome (969383969).

The spelling of 159340018 in words is "one hundred fifty-nine million, three hundred forty thousand, eighteen".