133343140 has 48 divisors (see below), whose sum is σ = 336873600. Its totient is φ = 43310592.

The previous prime is 133343137. The next prime is 133343141. The reversal of 133343140 is 41343331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133343141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22405 + ... + 27724.

It is an arithmetic number, because the mean of its divisors is an integer number (7018200).

Almost surely, 2^133343140 is an apocalyptic number.

133343140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133343140 is an abundant number, since it is smaller than the sum of its proper divisors (203530460).

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

133343140 is a wasteful number, since it uses less digits than its factorization.

133343140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50164 (or 50162 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 133343140 is about 11547.4300171077. The cubic root of 133343140 is about 510.8854795239.

Adding to 133343140 its reverse (41343331), we get a palindrome (174686471).

The spelling of 133343140 in words is "one hundred thirty-three million, three hundred forty-three thousand, one hundred forty".