159040409 has 8 divisors (see below), whose sum is σ = 173590560. Its totient is φ = 144505600.

The previous prime is 159040403. The next prime is 159040411. The reversal of 159040409 is 904040951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159040409 - 2⁸ = 159040153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159040403) 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, 34937 + ... + 39225.

It is an arithmetic number, because the mean of its divisors is an integer number (21698820).

Almost surely, 2^159040409 is an apocalyptic number.

It is an amenable number.

159040409 is a deficient number, since it is larger than the sum of its proper divisors (14550151).

159040409 is a wasteful number, since it uses less digits than its factorization.

159040409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 159040409 is about 12611.1224322025. The cubic root of 159040409 is about 541.7960419120.

The spelling of 159040409 in words is "one hundred fifty-nine million, forty thousand, four hundred nine".