133456456 has 32 divisors (see below), whose sum is σ = 301032000. Its totient is φ = 54184896.

The previous prime is 133456441. The next prime is 133456487. The reversal of 133456456 is 654654331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61651 + ... + 63778.

It is an arithmetic number, because the mean of its divisors is an integer number (9407250).

Almost surely, 2^133456456 is an apocalyptic number.

It is an amenable number.

133456456 is an abundant number, since it is smaller than the sum of its proper divisors (167575544).

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

133456456 is a wasteful number, since it uses less digits than its factorization.

133456456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125461 (or 125457 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 133456456 is about 11552.3355214433. The cubic root of 133456456 is about 511.0301566526.

The spelling of 133456456 in words is "one hundred thirty-three million, four hundred fifty-six thousand, four hundred fifty-six".