133142202 has 24 divisors (see below), whose sum is σ = 289046784. Its totient is φ = 44292744.

The previous prime is 133142171. The next prime is 133142213. The reversal of 133142202 is 202241331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2343 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (12043616).

Almost surely, 2^133142202 is an apocalyptic number.

133142202 is an abundant number, since it is smaller than the sum of its proper divisors (155904582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133142202 is a wasteful number, since it uses less digits than its factorization.

133142202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674 (or 14671 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 133142202 is about 11538.7261861958. The cubic root of 133142202 is about 510.6287286210.

Adding to 133142202 its reverse (202241331), we get a palindrome (335383533).

The spelling of 133142202 in words is "one hundred thirty-three million, one hundred forty-two thousand, two hundred two".