130807493 has 2 divisors, whose sum is σ = 130807494. Its totient is φ = 130807492.

The previous prime is 130807471. The next prime is 130807511. The reversal of 130807493 is 394708031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96491329 + 34316164 = 9823^2 + 5858^2 .

It is a cyclic number.

It is not a de Polignac number, because 130807493 - 2¹⁶ = 130741957 is a prime.

It is a super-2 number, since 2×130807493² = 34221200449890098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130807793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65403746 + 65403747.

It is an arithmetic number, because the mean of its divisors is an integer number (65403747).

Almost surely, 2^130807493 is an apocalyptic number.

It is an amenable number.

130807493 is a deficient number, since it is larger than the sum of its proper divisors (1).

130807493 is an equidigital number, since it uses as much as digits as its factorization.

130807493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 130807493 is about 11437.1103430893. The cubic root of 130807493 is about 507.6264083669.

The spelling of 130807493 in words is "one hundred thirty million, eight hundred seven thousand, four hundred ninety-three".