133005340 has 24 divisors (see below), whose sum is σ = 300797280. Its totient is φ = 49109568.

The previous prime is 133005329. The next prime is 133005403. The reversal of 133005340 is 43500331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255520 + ... + 256039.

It is an arithmetic number, because the mean of its divisors is an integer number (12533220).

Almost surely, 2^133005340 is an apocalyptic number.

133005340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133005340 is an abundant number, since it is smaller than the sum of its proper divisors (167791940).

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

133005340 is a wasteful number, since it uses less digits than its factorization.

133005340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511581 (or 511579 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 133005340 is about 11532.7941107088. The cubic root of 133005340 is about 510.4537036533.

Adding to 133005340 its reverse (43500331), we get a palindrome (176505671).

The spelling of 133005340 in words is "one hundred thirty-three million, five thousand, three hundred forty".