133164349 has 4 divisors (see below), whose sum is σ = 140997564. Its totient is φ = 125331136.

The previous prime is 133164307. The next prime is 133164371. The reversal of 133164349 is 943461331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109056249 + 24108100 = 10443^2 + 4910^2 .

It is a cyclic number.

It is not a de Polignac number, because 133164349 - 2²¹ = 131067197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133164649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3916582 + ... + 3916615.

It is an arithmetic number, because the mean of its divisors is an integer number (35249391).

Almost surely, 2^133164349 is an apocalyptic number.

It is an amenable number.

133164349 is a deficient number, since it is larger than the sum of its proper divisors (7833215).

133164349 is an equidigital number, since it uses as much as digits as its factorization.

133164349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7833214.

The product of its digits is 23328, while the sum is 34.

The square root of 133164349 is about 11539.6858276125. The cubic root of 133164349 is about 510.6570398734.

The spelling of 133164349 in words is "one hundred thirty-three million, one hundred sixty-four thousand, three hundred forty-nine".