133404030 has 64 divisors (see below), whose sum is σ = 360806400. Its totient is φ = 35068320.

The previous prime is 133404023. The next prime is 133404053. The reversal of 133404030 is 30404331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 133403994 and 133404012.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15691 + ... + 22649.

It is an arithmetic number, because the mean of its divisors is an integer number (5637600).

Almost surely, 2^133404030 is an apocalyptic number.

133404030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133404030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180403200).

133404030 is an abundant number, since it is smaller than the sum of its proper divisors (227402370).

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

133404030 is a wasteful number, since it uses less digits than its factorization.

133404030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046 (or 7040 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 133404030 is about 11550.0662335763. The cubic root of 133404030 is about 510.9632315128.

Adding to 133404030 its reverse (30404331), we get a palindrome (163808361).

It can be divided in two parts, 13 and 3404030, that added together give a palindrome (3404043).

The spelling of 133404030 in words is "one hundred thirty-three million, four hundred four thousand, thirty".