133032142 has 4 divisors (see below), whose sum is σ = 199548216. Its totient is φ = 66516070.

The previous prime is 133032139. The next prime is 133032187. The reversal of 133032142 is 241230331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241230331 = 167 ⋅1444493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33258034 + ... + 33258037.

It is an arithmetic number, because the mean of its divisors is an integer number (49887054).

Almost surely, 2^133032142 is an apocalyptic number.

133032142 is a deficient number, since it is larger than the sum of its proper divisors (66516074).

133032142 is an equidigital number, since it uses as much as digits as its factorization.

133032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66516073.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133032142 is about 11533.9560429195. The cubic root of 133032142 is about 510.4879886459.

Adding to 133032142 its reverse (241230331), we get a palindrome (374262473).

The spelling of 133032142 in words is "one hundred thirty-three million, thirty-two thousand, one hundred forty-two".