133340460 has 48 divisors (see below), whose sum is σ = 407296512. Its totient is φ = 32324800.

The previous prime is 133340443. The next prime is 133340477. The reversal of 133340460 is 64043331.

It is an interprime number because it is at equal distance from previous prime (133340443) and next prime (133340477).

It is a self number, because there is not a number n which added to its sum of digits gives 133340460.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100356 + ... + 101675.

It is an arithmetic number, because the mean of its divisors is an integer number (8485344).

Almost surely, 2^133340460 is an apocalyptic number.

133340460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133340460 is an abundant number, since it is smaller than the sum of its proper divisors (273956052).

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

133340460 is a wasteful number, since it uses less digits than its factorization.

133340460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202054 (or 202052 counting only the distinct ones).

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

The square root of 133340460 is about 11547.3139733879. The cubic root of 133340460 is about 510.8820568200.

Adding to 133340460 its reverse (64043331), we get a palindrome (197383791).

The spelling of 133340460 in words is "one hundred thirty-three million, three hundred forty thousand, four hundred sixty".