130402537 has 2 divisors, whose sum is σ = 130402538. Its totient is φ = 130402536.

The previous prime is 130402513. The next prime is 130402549. The reversal of 130402537 is 735204031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127893481 + 2509056 = 11309^2 + 1584^2 .

It is a cyclic number.

It is not a de Polignac number, because 130402537 - 2⁷ = 130402409 is a prime.

It is not a weakly prime, because it can be changed into another prime (130412537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65201268 + 65201269.

It is an arithmetic number, because the mean of its divisors is an integer number (65201269).

Almost surely, 2^130402537 is an apocalyptic number.

It is an amenable number.

130402537 is a deficient number, since it is larger than the sum of its proper divisors (1).

130402537 is an equidigital number, since it uses as much as digits as its factorization.

130402537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 130402537 is about 11419.3930223983. The cubic root of 130402537 is about 507.1020274551.

Adding to 130402537 its reverse (735204031), we get a palindrome (865606568).

The spelling of 130402537 in words is "one hundred thirty million, four hundred two thousand, five hundred thirty-seven".