133164454 has 8 divisors (see below), whose sum is σ = 202275360. Its totient is φ = 65739336.

The previous prime is 133164439. The next prime is 133164463. The reversal of 133164454 is 454461331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 421249 + ... + 421564.

It is an arithmetic number, because the mean of its divisors is an integer number (25284420).

Almost surely, 2^133164454 is an apocalyptic number.

133164454 is a deficient number, since it is larger than the sum of its proper divisors (69110906).

133164454 is an equidigital number, since it uses as much as digits as its factorization.

133164454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842894.

The product of its digits is 17280, while the sum is 31.

The square root of 133164454 is about 11539.6903771288. The cubic root of 133164454 is about 510.6571740910.

The spelling of 133164454 in words is "one hundred thirty-three million, one hundred sixty-four thousand, four hundred fifty-four".