1143109296 has 60 divisors (see below), whose sum is σ = 3656138512. Its totient is φ = 326602368.

The previous prime is 1143109277. The next prime is 1143109309. The reversal of 1143109296 is 6929013411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1143109296.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566011 + ... + 568026.

Almost surely, 2^1143109296 is an apocalyptic number.

1143109296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1143109296 is an abundant number, since it is smaller than the sum of its proper divisors (2513029216).

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

1143109296 is a wasteful number, since it uses less digits than its factorization.

1143109296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134058 (or 1134049 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1143109296 is about 33809.8993787323. The cubic root of 1143109296 is about 1045.5928036147.

The spelling of 1143109296 in words is "one billion, one hundred forty-three million, one hundred nine thousand, two hundred ninety-six".