133911056 has 10 divisors (see below), whose sum is σ = 259452702. Its totient is φ = 66955520.

The previous prime is 133911053. The next prime is 133911059. The reversal of 133911056 is 650119331.

It is an interprime number because it is at equal distance from previous prime (133911053) and next prime (133911059).

It can be written as a sum of positive squares in only one way, i.e., 68624656 + 65286400 = 8284^2 + 8080^2 .

It is not an unprimeable number, because it can be changed into a prime (133911053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4184705 + ... + 4184736.

Almost surely, 2^133911056 is an apocalyptic number.

133911056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133911056 is a deficient number, since it is larger than the sum of its proper divisors (125541646).

133911056 is an equidigital number, since it uses as much as digits as its factorization.

133911056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369449 (or 8369443 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 133911056 is about 11571.9944694076. The cubic root of 133911056 is about 511.6097490095.

The spelling of 133911056 in words is "one hundred thirty-three million, nine hundred eleven thousand, fifty-six".