133340733940 has 24 divisors (see below), whose sum is σ = 287583530472. Its totient is φ = 51894771840.

The previous prime is 133340733839. The next prime is 133340733941. The reversal of 133340733940 is 49337043331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54399964644 + 78940769296 = 233238^2 + 280964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133340733893 and 133340733902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133340733941) 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, 90094351 + ... + 90095830.

It is an arithmetic number, because the mean of its divisors is an integer number (11982647103).

Almost surely, 2^133340733940 is an apocalyptic number.

133340733940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133340733940 is an abundant number, since it is smaller than the sum of its proper divisors (154242796532).

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

133340733940 is a wasteful number, since it uses less digits than its factorization.

133340733940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180190227 (or 180190225 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 40.

The spelling of 133340733940 in words is "one hundred thirty-three billion, three hundred forty million, seven hundred thirty-three thousand, nine hundred forty".