133164523 has 2 divisors, whose sum is σ = 133164524. Its totient is φ = 133164522.

The previous prime is 133164487. The next prime is 133164529. The reversal of 133164523 is 325461331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133164523 - 2⁹ = 133164011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133164491 and 133164500.

It is not a weakly prime, because it can be changed into another prime (133164529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66582261 + 66582262.

It is an arithmetic number, because the mean of its divisors is an integer number (66582262).

Almost surely, 2^133164523 is an apocalyptic number.

133164523 is a deficient number, since it is larger than the sum of its proper divisors (1).

133164523 is an equidigital number, since it uses as much as digits as its factorization.

133164523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 133164523 is about 11539.6933668101. The cubic root of 133164523 is about 510.6572622910.

The spelling of 133164523 in words is "one hundred thirty-three million, one hundred sixty-four thousand, five hundred twenty-three".