133673164 has 6 divisors (see below), whose sum is σ = 233928044. Its totient is φ = 66836580.

The previous prime is 133673149. The next prime is 133673179. The reversal of 133673164 is 461376331.

It is an interprime number because it is at equal distance from previous prime (133673149) and next prime (133673179).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16709142 + ... + 16709149.

Almost surely, 2^133673164 is an apocalyptic number.

It is an amenable number.

133673164 is a deficient number, since it is larger than the sum of its proper divisors (100254880).

133673164 is a wasteful number, since it uses less digits than its factorization.

133673164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33418295 (or 33418293 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 133673164 is about 11561.7111190342. The cubic root of 133673164 is about 511.3066124543.

The spelling of 133673164 in words is "one hundred thirty-three million, six hundred seventy-three thousand, one hundred sixty-four".