130402469 has 2 divisors, whose sum is σ = 130402470. Its totient is φ = 130402468.

The previous prime is 130402421. The next prime is 130402471. The reversal of 130402469 is 964204031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130188100 + 214369 = 11410^2 + 463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130402469 is a prime.

It is a super-2 number, since 2×130402469² = 34009607842591922, which contains 22 as substring.

Together with 130402471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130402409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65201234 + 65201235.

It is an arithmetic number, because the mean of its divisors is an integer number (65201235).

Almost surely, 2^130402469 is an apocalyptic number.

It is an amenable number.

130402469 is a deficient number, since it is larger than the sum of its proper divisors (1).

130402469 is an equidigital number, since it uses as much as digits as its factorization.

130402469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 130402469 is about 11419.3900450068. The cubic root of 130402469 is about 507.1019393103.

The spelling of 130402469 in words is "one hundred thirty million, four hundred two thousand, four hundred sixty-nine".