133636142 has 8 divisors (see below), whose sum is σ = 202869576. Its totient is φ = 66012952.

The previous prime is 133636127. The next prime is 133636189. The reversal of 133636142 is 241636331.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402353 + ... + 402684.

It is an arithmetic number, because the mean of its divisors is an integer number (25358697).

Almost surely, 2^133636142 is an apocalyptic number.

133636142 is a deficient number, since it is larger than the sum of its proper divisors (69233434).

133636142 is an equidigital number, since it uses as much as digits as its factorization.

133636142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805122.

The product of its digits is 7776, while the sum is 29.

The square root of 133636142 is about 11560.1099475740. The cubic root of 133636142 is about 511.2594044217.

The spelling of 133636142 in words is "one hundred thirty-three million, six hundred thirty-six thousand, one hundred forty-two".