913765133 has 2 divisors, whose sum is σ = 913765134. Its totient is φ = 913765132.

The previous prime is 913765129. The next prime is 913765159. The reversal of 913765133 is 331567319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830188969 + 83576164 = 28813^2 + 9142^2 .

It is an emirp because it is prime and its reverse (331567319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 913765133 - 2² = 913765129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913765033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456882566 + 456882567.

It is an arithmetic number, because the mean of its divisors is an integer number (456882567).

Almost surely, 2^913765133 is an apocalyptic number.

It is an amenable number.

913765133 is a deficient number, since it is larger than the sum of its proper divisors (1).

913765133 is an equidigital number, since it uses as much as digits as its factorization.

913765133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030, while the sum is 38.

The square root of 913765133 is about 30228.5483111578. The cubic root of 913765133 is about 970.3867565319.

The spelling of 913765133 in words is "nine hundred thirteen million, seven hundred sixty-five thousand, one hundred thirty-three".