1149883740 has 72 divisors (see below), whose sum is σ = 3693165840. Its totient is φ = 288597504.

The previous prime is 1149883711. The next prime is 1149883751. The reversal of 1149883740 is 473889411.

It is a happy number.

1149883740 is a `hidden beast` number, since 11 + 498 + 83 + 74 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184830 + ... + 190949.

It is an arithmetic number, because the mean of its divisors is an integer number (51293970).

Almost surely, 2^1149883740 is an apocalyptic number.

1149883740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1149883740 is an abundant number, since it is smaller than the sum of its proper divisors (2543282100).

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

1149883740 is a wasteful number, since it uses less digits than its factorization.

1149883740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375811 (or 375806 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1149883740 is about 33909.9357121184. The cubic root of 1149883740 is about 1047.6542463623.

The spelling of 1149883740 in words is "one billion, one hundred forty-nine million, eight hundred eighty-three thousand, seven hundred forty".