133634146 has 8 divisors (see below), whose sum is σ = 207363420. Its totient is φ = 64513008.

The previous prime is 133634143. The next prime is 133634159. The reversal of 133634146 is 641436331.

It is a happy number.

133634146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120231225 + 13402921 = 10965^2 + 3661^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133634143) 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, 1151961 + ... + 1152076.

Almost surely, 2^133634146 is an apocalyptic number.

133634146 is a deficient number, since it is larger than the sum of its proper divisors (73729274).

133634146 is a wasteful number, since it uses less digits than its factorization.

133634146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304068.

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

The square root of 133634146 is about 11560.0236158928. The cubic root of 133634146 is about 511.2568590053.

The spelling of 133634146 in words is "one hundred thirty-three million, six hundred thirty-four thousand, one hundred forty-six".