133013342 has 32 divisors (see below), whose sum is σ = 253843200. Its totient is φ = 51820440.

The previous prime is 133013311. The next prime is 133013351. The reversal of 133013342 is 243310331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1268 + ... + 16359.

It is an arithmetic number, because the mean of its divisors is an integer number (7932600).

Almost surely, 2^133013342 is an apocalyptic number.

133013342 is a deficient number, since it is larger than the sum of its proper divisors (120829858).

133013342 is a wasteful number, since it uses less digits than its factorization.

133013342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17661 (or 17647 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133013342 is about 11533.1410292253. The cubic root of 133013342 is about 510.4639402564.

Adding to 133013342 its reverse (243310331), we get a palindrome (376323673).

The spelling of 133013342 in words is "one hundred thirty-three million, thirteen thousand, three hundred forty-two".