133453142 has 8 divisors (see below), whose sum is σ = 200237832. Its totient is φ = 66707200.

The previous prime is 133453141. The next prime is 133453147. The reversal of 133453142 is 241354331.

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

It is a super-2 number, since 2×133453142² = 35619482219344328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133453141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517 + ... + 16407.

It is an arithmetic number, because the mean of its divisors is an integer number (25029729).

Almost surely, 2^133453142 is an apocalyptic number.

133453142 is a deficient number, since it is larger than the sum of its proper divisors (66784690).

133453142 is a wasteful number, since it uses less digits than its factorization.

133453142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19374.

The product of its digits is 4320, while the sum is 26.

The square root of 133453142 is about 11552.1920863531. The cubic root of 133453142 is about 511.0259266388.

The spelling of 133453142 in words is "one hundred thirty-three million, four hundred fifty-three thousand, one hundred forty-two".