130749523 has 2 divisors, whose sum is σ = 130749524. Its totient is φ = 130749522.

The previous prime is 130749517. The next prime is 130749547. The reversal of 130749523 is 325947031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130749523 - 2²¹ = 128652371 is a prime.

It is not a weakly prime, because it can be changed into another prime (130749323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65374761 + 65374762.

It is an arithmetic number, because the mean of its divisors is an integer number (65374762).

Almost surely, 2^130749523 is an apocalyptic number.

130749523 is a deficient number, since it is larger than the sum of its proper divisors (1).

130749523 is an equidigital number, since it uses as much as digits as its factorization.

130749523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 130749523 is about 11434.5757682566. The cubic root of 130749523 is about 507.5514089655.

The spelling of 130749523 in words is "one hundred thirty million, seven hundred forty-nine thousand, five hundred twenty-three".