133164426 has 32 divisors (see below), whose sum is σ = 281424960. Its totient is φ = 41890176.

The previous prime is 133164401. The next prime is 133164439. The reversal of 133164426 is 624461331.

It is a junction number, because it is equal to n+sod(n) for n = 133164393 and 133164402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29470 + ... + 33686.

It is an arithmetic number, because the mean of its divisors is an integer number (8794530).

Almost surely, 2^133164426 is an apocalyptic number.

133164426 is an abundant number, since it is smaller than the sum of its proper divisors (148260534).

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

133164426 is a wasteful number, since it uses less digits than its factorization.

133164426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518.

The product of its digits is 10368, while the sum is 30.

The square root of 133164426 is about 11539.6891639247. The cubic root of 133164426 is about 510.6571382996.

The spelling of 133164426 in words is "one hundred thirty-three million, one hundred sixty-four thousand, four hundred twenty-six".