133130515913 has 2 divisors, whose sum is σ = 133130515914. Its totient is φ = 133130515912.

The previous prime is 133130515909. The next prime is 133130515927. The reversal of 133130515913 is 319515031331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111040233529 + 22090282384 = 333227^2 + 148628^2 .

It is a cyclic number.

It is not a de Polignac number, because 133130515913 - 2² = 133130515909 is a prime.

It is not a weakly prime, because it can be changed into another prime (133130515513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66565257956 + 66565257957.

It is an arithmetic number, because the mean of its divisors is an integer number (66565257957).

Almost surely, 2^133130515913 is an apocalyptic number.

It is an amenable number.

133130515913 is a deficient number, since it is larger than the sum of its proper divisors (1).

133130515913 is an equidigital number, since it uses as much as digits as its factorization.

133130515913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18225, while the sum is 35.

The spelling of 133130515913 in words is "one hundred thirty-three billion, one hundred thirty million, five hundred fifteen thousand, nine hundred thirteen".