133404630 has 16 divisors (see below), whose sum is σ = 320171184. Its totient is φ = 35574560.

The previous prime is 133404613. The next prime is 133404631. The reversal of 133404630 is 36404331.

It is a self number, because there is not a number n which added to its sum of digits gives 133404630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133404631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223381 + ... + 2223440.

It is an arithmetic number, because the mean of its divisors is an integer number (20010699).

Almost surely, 2^133404630 is an apocalyptic number.

133404630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133404630 is an abundant number, since it is smaller than the sum of its proper divisors (186766554).

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

133404630 is a wasteful number, since it uses less digits than its factorization.

133404630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446831.

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

The square root of 133404630 is about 11550.0922074241. The cubic root of 133404630 is about 510.9639975503.

Adding to 133404630 its reverse (36404331), we get a palindrome (169808961).

The spelling of 133404630 in words is "one hundred thirty-three million, four hundred four thousand, six hundred thirty".