133452142 has 16 divisors (see below), whose sum is σ = 219263760. Its totient is φ = 60635008.

The previous prime is 133452127. The next prime is 133452149. The reversal of 133452142 is 241254331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133452149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66688 + ... + 68659.

It is an arithmetic number, because the mean of its divisors is an integer number (13703985).

Almost surely, 2^133452142 is an apocalyptic number.

133452142 is a deficient number, since it is larger than the sum of its proper divisors (85811618).

133452142 is a wasteful number, since it uses less digits than its factorization.

133452142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135395.

The product of its digits is 2880, while the sum is 25.

The square root of 133452142 is about 11552.1488044433. The cubic root of 133452142 is about 511.0246502177.

The spelling of 133452142 in words is "one hundred thirty-three million, four hundred fifty-two thousand, one hundred forty-two".