133400140 has 24 divisors (see below), whose sum is σ = 294885360. Its totient is φ = 50551488.

The previous prime is 133400119. The next prime is 133400143. The reversal of 133400140 is 41004331.

It is not an unprimeable number, because it can be changed into a prime (133400143) 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, 175147 + ... + 175906.

It is an arithmetic number, because the mean of its divisors is an integer number (12286890).

Almost surely, 2^133400140 is an apocalyptic number.

133400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133400140 is an abundant number, since it is smaller than the sum of its proper divisors (161485220).

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

133400140 is a wasteful number, since it uses less digits than its factorization.

133400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351081 (or 351079 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 133400140 is about 11549.8978350460. The cubic root of 133400140 is about 510.9582649804.

Adding to 133400140 its reverse (41004331), we get a palindrome (174404471).

The spelling of 133400140 in words is "one hundred thirty-three million, four hundred thousand, one hundred forty".