130804969 has 3 divisors (see below), whose sum is σ = 130816407. Its totient is φ = 130793532.

The previous prime is 130804967. The next prime is 130805009. The reversal of 130804969 is 969408031.

The square root of 130804969 is 11437.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 38875225 + 91929744 = 6235^2 + 9588^2 .

It is not a de Polignac number, because 130804969 - 2¹ = 130804967 is a prime.

It is a super-2 number, since 2×130804969² = 34219879830181922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130804963) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5719 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (43605469).

Almost surely, 2^130804969 is an apocalyptic number.

130804969 is the 11437-th square number.

130804969 is the 5719-th centered octagonal number.

It is an amenable number.

130804969 is a deficient number, since it is larger than the sum of its proper divisors (11438).

130804969 is an frugal number, since it uses more digits than its factorization.

130804969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22874 (or 11437 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The cubic root of 130804969 is about 507.6231433722.

Multiplying 130804969 by its product of nonzero digits (46656), we get a square (6102836633664 = 2470392²).

The spelling of 130804969 in words is "one hundred thirty million, eight hundred four thousand, nine hundred sixty-nine".