133143342 has 16 divisors (see below), whose sum is σ = 267394512. Its totient is φ = 44196480.

The previous prime is 133143323. The next prime is 133143347. The reversal of 133143342 is 243341331.

133143342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133143347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44593 + ... + 47484.

It is an arithmetic number, because the mean of its divisors is an integer number (16712157).

Almost surely, 2^133143342 is an apocalyptic number.

133143342 is an abundant number, since it is smaller than the sum of its proper divisors (134251170).

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

133143342 is a wasteful number, since it uses less digits than its factorization.

133143342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92323.

The product of its digits is 2592, while the sum is 24.

The square root of 133143342 is about 11538.7755849570. The cubic root of 133143342 is about 510.6301859978.

Adding to 133143342 its reverse (243341331), we get a palindrome (376484673).

The spelling of 133143342 in words is "one hundred thirty-three million, one hundred forty-three thousand, three hundred forty-two".