133407842 has 8 divisors (see below), whose sum is σ = 200254032. Its totient is φ = 66656500.

The previous prime is 133407821. The next prime is 133407847. The reversal of 133407842 is 248704331.

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

It is a junction number, because it is equal to n+sod(n) for n = 133407799 and 133407808.

It is not an unprimeable number, because it can be changed into a prime (133407847) 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, 20084 + ... + 25887.

It is an arithmetic number, because the mean of its divisors is an integer number (25031754).

Almost surely, 2^133407842 is an apocalyptic number.

133407842 is a deficient number, since it is larger than the sum of its proper divisors (66846190).

133407842 is a wasteful number, since it uses less digits than its factorization.

133407842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47424.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 133407842 is about 11550.2312530962. The cubic root of 133407842 is about 510.9680983655.

The spelling of 133407842 in words is "one hundred thirty-three million, four hundred seven thousand, eight hundred forty-two".