1140661133 has 2 divisors, whose sum is σ = 1140661134. Its totient is φ = 1140661132.

The previous prime is 1140661099. The next prime is 1140661157. The reversal of 1140661133 is 3311660411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006031524 + 134629609 = 31718^2 + 11603^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140661133 - 2²⁰ = 1139612557 is a prime.

It is a super-2 number, since 2×1140661133² = 2602215640673687378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140661183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570330566 + 570330567.

It is an arithmetic number, because the mean of its divisors is an integer number (570330567).

Almost surely, 2^1140661133 is an apocalyptic number.

It is an amenable number.

1140661133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140661133 is an equidigital number, since it uses as much as digits as its factorization.

1140661133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1140661133 is about 33773.6751479610. The cubic root of 1140661133 is about 1044.8458318236.

The spelling of 1140661133 in words is "one billion, one hundred forty million, six hundred sixty-one thousand, one hundred thirty-three".