1143396080 has 40 divisors (see below), whose sum is σ = 2694826032. Its totient is φ = 451090944.

The previous prime is 1143396029. The next prime is 1143396143. The reversal of 1143396080 is 806933411.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1143396080.

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, 92054 + ... + 103733.

Almost surely, 2^1143396080 is an apocalyptic number.

1143396080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143396080 is an abundant number, since it is smaller than the sum of its proper divisors (1551429952).

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

1143396080 is a wasteful number, since it uses less digits than its factorization.

1143396080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195873 (or 195867 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1143396080 is about 33814.1402374805. The cubic root of 1143396080 is about 1045.6802359699.

The spelling of 1143396080 in words is "one billion, one hundred forty-three million, three hundred ninety-six thousand, eighty".