1143867696 has 80 divisors (see below), whose sum is σ = 2996474880. Its totient is φ = 375978240.

The previous prime is 1143867653. The next prime is 1143867701. The reversal of 1143867696 is 6967683411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153761 + ... + 1154751.

It is an arithmetic number, because the mean of its divisors is an integer number (37455936).

Almost surely, 2^1143867696 is an apocalyptic number.

1143867696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1143867696 is an abundant number, since it is smaller than the sum of its proper divisors (1852607184).

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

1143867696 is a wasteful number, since it uses less digits than its factorization.

1143867696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1308 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 1143867696 is about 33821.1131691433. The cubic root of 1143867696 is about 1045.8239866059.

The spelling of 1143867696 in words is "one billion, one hundred forty-three million, eight hundred sixty-seven thousand, six hundred ninety-six".