130403161 has 24 divisors (see below), whose sum is σ = 156054600. Its totient is φ = 108605952.

The previous prime is 130403129. The next prime is 130403191. The reversal of 130403161 is 161304031.

It can be written as a sum of positive squares in 4 ways, for example, as 3705625 + 126697536 = 1925^2 + 11256^2 .

It is not a de Polignac number, because 130403161 - 2⁵ = 130403129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130403191) 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, 386785 + ... + 387121.

It is an arithmetic number, because the mean of its divisors is an integer number (6502275).

Almost surely, 2^130403161 is an apocalyptic number.

It is an amenable number.

130403161 is a deficient number, since it is larger than the sum of its proper divisors (25651439).

130403161 is a wasteful number, since it uses less digits than its factorization.

130403161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 130403161 is about 11419.4203443082. The cubic root of 130403161 is about 507.1028363125.

Adding to 130403161 its reverse (161304031), we get a palindrome (291707192).

The spelling of 130403161 in words is "one hundred thirty million, four hundred three thousand, one hundred sixty-one".