1133455900 has 18 divisors (see below), whose sum is σ = 2459599520. Its totient is φ = 453382320.

The previous prime is 1133455867. The next prime is 1133455907. The reversal of 1133455900 is 95543311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133455907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5667180 + ... + 5667379.

Almost surely, 2^1133455900 is an apocalyptic number.

1133455900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133455900 is an abundant number, since it is smaller than the sum of its proper divisors (1326143620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133455900 is a wasteful number, since it uses less digits than its factorization.

1133455900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334573 (or 11334566 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1133455900 is about 33666.8367982500. The cubic root of 1133455900 is about 1042.6411849417.

The spelling of 1133455900 in words is "one billion, one hundred thirty-three million, four hundred fifty-five thousand, nine hundred".