133340406 has 16 divisors (see below), whose sum is σ = 266825664. Its totient is φ = 44422664.

The previous prime is 133340351. The next prime is 133340429. The reversal of 133340406 is 604043331.

133340406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8701 + ... + 18503.

It is an arithmetic number, because the mean of its divisors is an integer number (16676604).

Almost surely, 2^133340406 is an apocalyptic number.

133340406 is an abundant number, since it is smaller than the sum of its proper divisors (133485258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133340406 is a wasteful number, since it uses less digits than its factorization.

133340406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12075.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 133340406 is about 11547.3116351816. The cubic root of 133340406 is about 510.8819878546.

Adding to 133340406 its reverse (604043331), we get a palindrome (737383737).

The spelling of 133340406 in words is "one hundred thirty-three million, three hundred forty thousand, four hundred six".