133759518048240 has 80 divisors (see below), whose sum is σ = 473890863948288. Its totient is φ = 30573604124928.

The previous prime is 133759518048089. The next prime is 133759518048241. The reversal of 133759518048240 is 42840815957331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133759518048241) 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, 39809378692 + ... + 39809382051.

Almost surely, 2^{133759518048240} is an apocalyptic number.

133759518048240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133759518048240 is an abundant number, since it is smaller than the sum of its proper divisors (340131345900048).

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

133759518048240 is a wasteful number, since it uses less digits than its factorization.

133759518048240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79618760766 (or 79618760760 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 133759518048240 in words is "one hundred thirty-three trillion, seven hundred fifty-nine billion, five hundred eighteen million, forty-eight thousand, two hundred forty".