133725142 has 8 divisors (see below), whose sum is σ = 200709432. Its totient is φ = 66822000.

The previous prime is 133725139. The next prime is 133725143. The reversal of 133725142 is 241527331.

133725142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133725142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133725143) 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 3 ways as a sum of consecutive naturals, for example, 15984 + ... + 22867.

It is an arithmetic number, because the mean of its divisors is an integer number (25088679).

Almost surely, 2^133725142 is an apocalyptic number.

133725142 is a deficient number, since it is larger than the sum of its proper divisors (66984290).

133725142 is a wasteful number, since it uses less digits than its factorization.

133725142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40574.

The product of its digits is 5040, while the sum is 28.

The square root of 133725142 is about 11563.9587512236. The cubic root of 133725142 is about 511.3728766924.

The spelling of 133725142 in words is "one hundred thirty-three million, seven hundred twenty-five thousand, one hundred forty-two".