1133905944 has 32 divisors (see below), whose sum is σ = 2863995120. Its totient is φ = 374071296.

The previous prime is 1133905937. The next prime is 1133905979. The reversal of 1133905944 is 4495093311.

It is a happy number.

It is a super-2 number, since 2×1133905944² = 2571485379677062272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241209 + ... + 245864.

Almost surely, 2^1133905944 is an apocalyptic number.

It is an amenable number.

1133905944 is an abundant number, since it is smaller than the sum of its proper divisors (1730089176).

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

1133905944 is a wasteful number, since it uses less digits than its factorization.

1133905944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487179 (or 487175 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 1133905944 is about 33673.5199229305. The cubic root of 1133905944 is about 1042.7791618785.

The spelling of 1133905944 in words is "one billion, one hundred thirty-three million, nine hundred five thousand, nine hundred forty-four".