133403460 has 24 divisors (see below), whose sum is σ = 373529856. Its totient is φ = 35574240.

The previous prime is 133403449. The next prime is 133403461. The reversal of 133403460 is 64304331.

It is a self number, because there is not a number n which added to its sum of digits gives 133403460.

It is not an unprimeable number, because it can be changed into a prime (133403461) 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, 1111636 + ... + 1111755.

It is an arithmetic number, because the mean of its divisors is an integer number (15563744).

Almost surely, 2^133403460 is an apocalyptic number.

133403460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133403460 is an abundant number, since it is smaller than the sum of its proper divisors (240126396).

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

133403460 is a wasteful number, since it uses less digits than its factorization.

133403460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223403 (or 2223401 counting only the distinct ones).

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

The square root of 133403460 is about 11550.0415583668. The cubic root of 133403460 is about 510.9625037750.

Adding to 133403460 its reverse (64304331), we get a palindrome (197707791).

The spelling of 133403460 in words is "one hundred thirty-three million, four hundred three thousand, four hundred sixty".