133403130 has 192 divisors, whose sum is σ = 418279680. Its totient is φ = 28864512.

The previous prime is 133403129. The next prime is 133403143. The reversal of 133403130 is 31304331.

133403130 is a `hidden beast` number, since 13 + 340 + 313 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1375242 + ... + 1375338.

It is an arithmetic number, because the mean of its divisors is an integer number (2178540).

Almost surely, 2^133403130 is an apocalyptic number.

133403130 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 133403130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209139840).

133403130 is an abundant number, since it is smaller than the sum of its proper divisors (284876550).

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

133403130 is a wasteful number, since it uses less digits than its factorization.

133403130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 133403130 is about 11550.0272726951. The cubic root of 133403130 is about 510.9620824522.

Adding to 133403130 its reverse (31304331), we get a palindrome (164707461).

The spelling of 133403130 in words is "one hundred thirty-three million, four hundred three thousand, one hundred thirty".