133664134 has 8 divisors (see below), whose sum is σ = 201220848. Its totient is φ = 66590520.

The previous prime is 133664123. The next prime is 133664137. The reversal of 133664134 is 431466331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×133664134² = 35732201435939912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133664096 and 133664105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133664137) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 120082 + ... + 121189.

It is an arithmetic number, because the mean of its divisors is an integer number (25152606).

Almost surely, 2^133664134 is an apocalyptic number.

133664134 is a deficient number, since it is larger than the sum of its proper divisors (67556714).

133664134 is a wasteful number, since it uses less digits than its factorization.

133664134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241550.

The product of its digits is 15552, while the sum is 31.

The square root of 133664134 is about 11561.3205993087. The cubic root of 133664134 is about 511.2950987928.

The spelling of 133664134 in words is "one hundred thirty-three million, six hundred sixty-four thousand, one hundred thirty-four".