133264626 has 64 divisors (see below), whose sum is σ = 299980800. Its totient is φ = 39124800.

The previous prime is 133264619. The next prime is 133264669. The reversal of 133264626 is 626462331.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317845 + ... + 318263.

It is an arithmetic number, because the mean of its divisors is an integer number (4687200).

Almost surely, 2^133264626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133264626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149990400).

133264626 is an abundant number, since it is smaller than the sum of its proper divisors (166716174).

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

133264626 is a wasteful number, since it uses less digits than its factorization.

133264626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

The product of its digits is 31104, while the sum is 33.

The square root of 133264626 is about 11544.0298856162. The cubic root of 133264626 is about 510.7851880557.

The spelling of 133264626 in words is "one hundred thirty-three million, two hundred sixty-four thousand, six hundred twenty-six".