133340020240 has 40 divisors (see below), whose sum is σ = 354303483840. Its totient is φ = 45716578176.

The previous prime is 133340020211. The next prime is 133340020259. The reversal of 133340020240 is 42020043331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 119053030 + ... + 119054149.

It is an arithmetic number, because the mean of its divisors is an integer number (8857587096).

Almost surely, 2^133340020240 is an apocalyptic number.

133340020240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133340020240 is an abundant number, since it is smaller than the sum of its proper divisors (220963463600).

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

133340020240 is a wasteful number, since it uses less digits than its factorization.

133340020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238107199 (or 238107193 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 133340020240 its reverse (42020043331), we get a palindrome (175360063571).

The spelling of 133340020240 in words is "one hundred thirty-three billion, three hundred forty million, twenty thousand, two hundred forty".