133243423140 has 96 divisors (see below), whose sum is σ = 407770481664. Its totient is φ = 32362721280.

The previous prime is 133243423139. The next prime is 133243423169. The reversal of 133243423140 is 41324342331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 133243423098 and 133243423107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2075329 + ... + 2138568.

It is an arithmetic number, because the mean of its divisors is an integer number (4247609184).

Almost surely, 2^133243423140 is an apocalyptic number.

133243423140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133243423140 is an abundant number, since it is smaller than the sum of its proper divisors (274527058524).

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

133243423140 is a wasteful number, since it uses less digits than its factorization.

133243423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213957 (or 4213955 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 133243423140 its reverse (41324342331), we get a palindrome (174567765471).

The spelling of 133243423140 in words is "one hundred thirty-three billion, two hundred forty-three million, four hundred twenty-three thousand, one hundred forty".