133102342 has 8 divisors (see below), whose sum is σ = 199897416. Its totient is φ = 66469872.

The previous prime is 133102331. The next prime is 133102349. The reversal of 133102342 is 243201331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133102349) 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, 38583 + ... + 41890.

It is an arithmetic number, because the mean of its divisors is an integer number (24987177).

Almost surely, 2^133102342 is an apocalyptic number.

133102342 is a deficient number, since it is larger than the sum of its proper divisors (66795074).

133102342 is an equidigital number, since it uses as much as digits as its factorization.

133102342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81302.

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

The square root of 133102342 is about 11536.9988298517. The cubic root of 133102342 is about 510.5777663358.

Adding to 133102342 its reverse (243201331), we get a palindrome (376303673).

The spelling of 133102342 in words is "one hundred thirty-three million, one hundred two thousand, three hundred forty-two".