133751456 has 24 divisors (see below), whose sum is σ = 265253940. Its totient is φ = 66385408.

The previous prime is 133751419. The next prime is 133751477. The reversal of 133751456 is 654157331.

133751456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 119159056 + 14592400 = 10916^2 + 3820^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10871 + ... + 19638.

Almost surely, 2^133751456 is an apocalyptic number.

133751456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133751456 is a deficient number, since it is larger than the sum of its proper divisors (131502484).

133751456 is a wasteful number, since it uses less digits than its factorization.

133751456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30656 (or 30648 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 133751456 is about 11565.0964544184. The cubic root of 133751456 is about 511.4064165916.

The spelling of 133751456 in words is "one hundred thirty-three million, seven hundred fifty-one thousand, four hundred fifty-six".