1133131999 has 2 divisors, whose sum is σ = 1133132000. Its totient is φ = 1133131998.

The previous prime is 1133131931. The next prime is 1133132009. The reversal of 1133131999 is 9991313311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1133131999 - 2²⁹ = 596261087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133131199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566565999 + 566566000.

It is an arithmetic number, because the mean of its divisors is an integer number (566566000).

Almost surely, 2^1133131999 is an apocalyptic number.

1133131999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133131999 is an equidigital number, since it uses as much as digits as its factorization.

1133131999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19683, while the sum is 40.

The square root of 1133131999 is about 33662.0260679597. The cubic root of 1133131999 is about 1042.5418590081.

The spelling of 1133131999 in words is "one billion, one hundred thirty-three million, one hundred thirty-one thousand, nine hundred ninety-nine".