133528342 has 4 divisors (see below), whose sum is σ = 200292516. Its totient is φ = 66764170.

The previous prime is 133528337. The next prime is 133528361. The reversal of 133528342 is 243825331.

It is a semiprime because it is the product of two primes.

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, 33382084 + ... + 33382087.

It is an arithmetic number, because the mean of its divisors is an integer number (50073129).

Almost surely, 2^133528342 is an apocalyptic number.

133528342 is a deficient number, since it is larger than the sum of its proper divisors (66764174).

133528342 is an equidigital number, since it uses as much as digits as its factorization.

133528342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66764173.

The product of its digits is 17280, while the sum is 31.

The square root of 133528342 is about 11555.4464214932. The cubic root of 133528342 is about 511.1218952391.

The spelling of 133528342 in words is "one hundred thirty-three million, five hundred twenty-eight thousand, three hundred forty-two".