133164495 has 24 divisors (see below), whose sum is σ = 231661872. Its totient is φ = 70761600.

The previous prime is 133164487. The next prime is 133164523. The reversal of 133164495 is 594461331.

133164495 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 644 + 9 + 5 = 666.

It is not a de Polignac number, because 133164495 - 2³ = 133164487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7380 + ... + 17910.

It is an arithmetic number, because the mean of its divisors is an integer number (9652578).

Almost surely, 2^133164495 is an apocalyptic number.

133164495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133164495 is a deficient number, since it is larger than the sum of its proper divisors (98497377).

133164495 is a wasteful number, since it uses less digits than its factorization.

133164495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823 (or 10820 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 133164495 is about 11539.6921536062. The cubic root of 133164495 is about 510.6572264997.

The spelling of 133164495 in words is "one hundred thirty-three million, one hundred sixty-four thousand, four hundred ninety-five".