1133913087 has 36 divisors (see below), whose sum is σ = 1775798024. Its totient is φ = 722993040.

The previous prime is 1133913083. The next prime is 1133913113. The reversal of 1133913087 is 7803193311.

1133913087 is a `hidden beast` number, since 11 + 339 + 1 + 308 + 7 = 666.

It is not a de Polignac number, because 1133913087 - 2² = 1133913083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133913083) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 124137 + ... + 132957.

Almost surely, 2^1133913087 is an apocalyptic number.

1133913087 is a deficient number, since it is larger than the sum of its proper divisors (641884937).

1133913087 is an frugal number, since it uses more digits than its factorization.

1133913087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882 (or 8847 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1133913087 is about 33673.6259853316. The cubic root of 1133913087 is about 1042.7813515239.

The spelling of 1133913087 in words is "one billion, one hundred thirty-three million, nine hundred thirteen thousand, eighty-seven".