130885961 has 4 divisors (see below), whose sum is σ = 135399300. Its totient is φ = 126372624.

The previous prime is 130885949. The next prime is 130885969. The reversal of 130885961 is 169588031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64561225 + 66324736 = 8035^2 + 8144^2 .

It is a cyclic number.

It is not a de Polignac number, because 130885961 - 2¹⁰ = 130884937 is a prime.

It is a super-2 number, since 2×130885961² = 34262269573787042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130885969) 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, 2256626 + ... + 2256683.

It is an arithmetic number, because the mean of its divisors is an integer number (33849825).

Almost surely, 2^130885961 is an apocalyptic number.

It is an amenable number.

130885961 is a deficient number, since it is larger than the sum of its proper divisors (4513339).

130885961 is an equidigital number, since it uses as much as digits as its factorization.

130885961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513338.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 130885961 is about 11440.5402407404. The cubic root of 130885961 is about 507.7278920203.

The spelling of 130885961 in words is "one hundred thirty million, eight hundred eighty-five thousand, nine hundred sixty-one".