1140945072 has 40 divisors (see below), whose sum is σ = 3120822576. Its totient is φ = 357943296.

The previous prime is 1140945059. The next prime is 1140945103. The reversal of 1140945072 is 2705490411.

It is a happy 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, 698293 + ... + 699924.

Almost surely, 2^1140945072 is an apocalyptic number.

1140945072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140945072 is an abundant number, since it is smaller than the sum of its proper divisors (1979877504).

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

1140945072 is a wasteful number, since it uses less digits than its factorization.

1140945072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398245 (or 1398239 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1140945072 is about 33777.8784413705. The cubic root of 1140945072 is about 1044.9325206917.

The spelling of 1140945072 in words is "one billion, one hundred forty million, nine hundred forty-five thousand, seventy-two".