133320340 has 24 divisors (see below), whose sum is σ = 294708960. Its totient is φ = 50521248.

The previous prime is 133320331. The next prime is 133320371. The reversal of 133320340 is 43023331.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175042 + ... + 175801.

It is an arithmetic number, because the mean of its divisors is an integer number (12279540).

Almost surely, 2^133320340 is an apocalyptic number.

133320340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133320340 is an abundant number, since it is smaller than the sum of its proper divisors (161388620).

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

133320340 is a wasteful number, since it uses less digits than its factorization.

133320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350871 (or 350869 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 133320340 is about 11546.4427422475. The cubic root of 133320340 is about 510.8563595335.

Adding to 133320340 its reverse (43023331), we get a palindrome (176343671).

The spelling of 133320340 in words is "one hundred thirty-three million, three hundred twenty thousand, three hundred forty".