133301401440 has 96 divisors (see below), whose sum is σ = 421145917920. Its totient is φ = 35441516544.

The previous prime is 133301401403. The next prime is 133301401451. The reversal of 133301401440 is 44104103331.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 133301401440.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 250275 + ... + 573794.

It is an arithmetic number, because the mean of its divisors is an integer number (4386936645).

Almost surely, 2^133301401440 is an apocalyptic number.

133301401440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133301401440 is an abundant number, since it is smaller than the sum of its proper divisors (287844516480).

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

133301401440 is a wasteful number, since it uses less digits than its factorization.

133301401440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824424 (or 824416 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 133301401440 its reverse (44104103331), we get a palindrome (177405504771).

The spelling of 133301401440 in words is "one hundred thirty-three billion, three hundred one million, four hundred one thousand, four hundred forty".