133264413 has 8 divisors (see below), whose sum is σ = 197428800. Its totient is φ = 88842924.

The previous prime is 133264409. The next prime is 133264429. The reversal of 133264413 is 314462331.

133264413 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 644 + 13 = 666.

It is not a de Polignac number, because 133264413 - 2² = 133264409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4935719 = 133264413 / (1 + 3 + 3 + 2 + 6 + 4 + 4 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133262413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467833 + ... + 2467886.

It is an arithmetic number, because the mean of its divisors is an integer number (24678600).

Almost surely, 2^133264413 is an apocalyptic number.

It is an amenable number.

133264413 is a deficient number, since it is larger than the sum of its proper divisors (64164387).

133264413 is an equidigital number, since it uses as much as digits as its factorization.

133264413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935728 (or 4935722 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 133264413 is about 11544.0206600647. The cubic root of 133264413 is about 510.7849159222.

The spelling of 133264413 in words is "one hundred thirty-three million, two hundred sixty-four thousand, four hundred thirteen".