133963056 has 60 divisors (see below), whose sum is σ = 376772760. Its totient is φ = 44432640.

The previous prime is 133963033. The next prime is 133963073. The reversal of 133963056 is 650369331.

133963056 is a `hidden beast` number, since 13 + 3 + 9 + 630 + 5 + 6 = 666.

It is a super-2 number, since 2×133963056² = 35892200745718272, which contains 22 as substring.

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 133963056.

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, 28180 + ... + 32588.

It is an arithmetic number, because the mean of its divisors is an integer number (6279546).

Almost surely, 2^133963056 is an apocalyptic number.

133963056 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 133963056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188386380).

133963056 is an abundant number, since it is smaller than the sum of its proper divisors (242809704).

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

133963056 is a wasteful number, since it uses less digits than its factorization.

133963056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4634 (or 4625 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 133963056 is about 11574.2410550325. The cubic root of 133963056 is about 511.6759627709.

The spelling of 133963056 in words is "one hundred thirty-three million, nine hundred sixty-three thousand, fifty-six".