133328042 has 8 divisors (see below), whose sum is σ = 211756356. Its totient is φ = 62742592.

The previous prime is 133327973. The next prime is 133328047. The reversal of 133328042 is 240823331.

It can be written as a sum of positive squares in 2 ways, for example, as 129982801 + 3345241 = 11401^2 + 1829^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133328047) 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, 1960673 + ... + 1960740.

Almost surely, 2^133328042 is an apocalyptic number.

133328042 is a deficient number, since it is larger than the sum of its proper divisors (78428314).

133328042 is a wasteful number, since it uses less digits than its factorization.

133328042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921432.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 133328042 is about 11546.7762600650. The cubic root of 133328042 is about 510.8661968419.

The spelling of 133328042 in words is "one hundred thirty-three million, three hundred twenty-eight thousand, forty-two".