133030406 has 16 divisors (see below), whose sum is σ = 211734000. Its totient is φ = 62469120.

The previous prime is 133030361. The next prime is 133030409. The reversal of 133030406 is 604030331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133030409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13046 + ... + 20886.

It is an arithmetic number, because the mean of its divisors is an integer number (13233375).

Almost surely, 2^133030406 is an apocalyptic number.

133030406 is a deficient number, since it is larger than the sum of its proper divisors (78703594).

133030406 is a wasteful number, since it uses less digits than its factorization.

133030406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359.

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

The square root of 133030406 is about 11533.8807866216. The cubic root of 133030406 is about 510.4857681024.

Adding to 133030406 its reverse (604030331), we get a palindrome (737060737).

The spelling of 133030406 in words is "one hundred thirty-three million, thirty thousand, four hundred six".