159297131 has 4 divisors (see below), whose sum is σ = 182053872. Its totient is φ = 136540392.

The previous prime is 159297119. The next prime is 159297133. The reversal of 159297131 is 131792951.

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

It is a cyclic number.

It is not a de Polignac number, because 159297131 - 2¹⁴ = 159280747 is a prime.

It is a super-2 number, since 2×159297131² = 50751151889662322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159297133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11378360 + ... + 11378373.

It is an arithmetic number, because the mean of its divisors is an integer number (45513468).

Almost surely, 2^159297131 is an apocalyptic number.

159297131 is a deficient number, since it is larger than the sum of its proper divisors (22756741).

159297131 is an equidigital number, since it uses as much as digits as its factorization.

159297131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22756740.

The product of its digits is 17010, while the sum is 38.

The square root of 159297131 is about 12621.2967241880. The cubic root of 159297131 is about 542.0874064179.

The spelling of 159297131 in words is "one hundred fifty-nine million, two hundred ninety-seven thousand, one hundred thirty-one".