159190631 has 2 divisors, whose sum is σ = 159190632. Its totient is φ = 159190630.

The previous prime is 159190553. The next prime is 159190679. The reversal of 159190631 is 136091951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159190631 - 2²⁶ = 92081767 is a prime.

It is a super-2 number, since 2×159190631² = 50683313996356322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 159190591 and 159190600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159190931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79595315 + 79595316.

It is an arithmetic number, because the mean of its divisors is an integer number (79595316).

Almost surely, 2^159190631 is an apocalyptic number.

159190631 is a deficient number, since it is larger than the sum of its proper divisors (1).

159190631 is an equidigital number, since it uses as much as digits as its factorization.

159190631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 159190631 is about 12617.0769594229. The cubic root of 159190631 is about 541.9665731485.

The spelling of 159190631 in words is "one hundred fifty-nine million, one hundred ninety thousand, six hundred thirty-one".