1133397792 has 144 divisors (see below), whose sum is σ = 3376507680. Its totient is φ = 369877248.

The previous prime is 1133397767. The next prime is 1133397833. The reversal of 1133397792 is 2977933311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

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, 2426743 + ... + 2427209.

It is an arithmetic number, because the mean of its divisors is an integer number (23447970).

Almost surely, 2^1133397792 is an apocalyptic number.

1133397792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133397792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1688253840).

1133397792 is an abundant number, since it is smaller than the sum of its proper divisors (2243109888).

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

1133397792 is an equidigital number, since it uses as much as digits as its factorization.

1133397792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 525 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 1133397792 is about 33665.9738014512. The cubic root of 1133397792 is about 1042.6233672129.

The spelling of 1133397792 in words is "one billion, one hundred thirty-three million, three hundred ninety-seven thousand, seven hundred ninety-two".