159555131 has 2 divisors, whose sum is σ = 159555132. Its totient is φ = 159555130.

The previous prime is 159555127. The next prime is 159555139. The reversal of 159555131 is 131555951.

It is a happy number.

159555131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159555131 - 2² = 159555127 is a prime.

It is a super-2 number, since 2×159555131² = 50915679656854322, 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 = 159555091 and 159555100.

It is not a weakly prime, because it can be changed into another prime (159555139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79777565 + 79777566.

It is an arithmetic number, because the mean of its divisors is an integer number (79777566).

Almost surely, 2^159555131 is an apocalyptic number.

159555131 is a deficient number, since it is larger than the sum of its proper divisors (1).

159555131 is an equidigital number, since it uses as much as digits as its factorization.

159555131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16875, while the sum is 35.

The square root of 159555131 is about 12631.5134089309. The cubic root of 159555131 is about 542.3799061681.

The spelling of 159555131 in words is "one hundred fifty-nine million, five hundred fifty-five thousand, one hundred thirty-one".