1132665456 has 80 divisors (see below), whose sum is σ = 3181907456. Its totient is φ = 345109248.

The previous prime is 1132665439. The next prime is 1132665481. The reversal of 1132665456 is 6545662311.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent 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, 55461 + ... + 73083.

Almost surely, 2^1132665456 is an apocalyptic number.

1132665456 is a gapful number since it is divisible by the number (16) 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 1132665456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590953728).

1132665456 is an abundant number, since it is smaller than the sum of its proper divisors (2049242000).

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

1132665456 is a wasteful number, since it uses less digits than its factorization.

1132665456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17750 (or 17744 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 1132665456 is about 33655.0955428743. The cubic root of 1132665456 is about 1042.3987578879.

The spelling of 1132665456 in words is "one billion, one hundred thirty-two million, six hundred sixty-five thousand, four hundred fifty-six".