130240161 has 24 divisors (see below), whose sum is σ = 191877504. Its totient is φ = 85108320.

The previous prime is 130240093. The next prime is 130240171. The reversal of 130240161 is 161042031.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-130240161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130240171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163015 + ... + 163811.

It is an arithmetic number, because the mean of its divisors is an integer number (7994896).

Almost surely, 2^130240161 is an apocalyptic number.

It is an amenable number.

130240161 is a deficient number, since it is larger than the sum of its proper divisors (61637343).

130240161 is a wasteful number, since it uses less digits than its factorization.

130240161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 130240161 is about 11412.2811479564. The cubic root of 130240161 is about 506.8914604902.

Adding to 130240161 its reverse (161042031), we get a palindrome (291282192).

The spelling of 130240161 in words is "one hundred thirty million, two hundred forty thousand, one hundred sixty-one".