133664153 has 4 divisors (see below), whose sum is σ = 152759040. Its totient is φ = 114569268.

The previous prime is 133664137. The next prime is 133664159. The reversal of 133664153 is 351466331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133664153 - 2⁴ = 133664137 is a prime.

It is a super-2 number, since 2×133664153² = 35732211594414818, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133664159) 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, 9547433 + ... + 9547446.

It is an arithmetic number, because the mean of its divisors is an integer number (38189760).

Almost surely, 2^133664153 is an apocalyptic number.

It is an amenable number.

133664153 is a deficient number, since it is larger than the sum of its proper divisors (19094887).

133664153 is an equidigital number, since it uses as much as digits as its factorization.

133664153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19094886.

The product of its digits is 19440, while the sum is 32.

The square root of 133664153 is about 11561.3214210141. The cubic root of 133664153 is about 511.2951230192.

The spelling of 133664153 in words is "one hundred thirty-three million, six hundred sixty-four thousand, one hundred fifty-three".