133311443240 has 32 divisors (see below), whose sum is σ = 301937189760. Its totient is φ = 52971432000.

The previous prime is 133311443227. The next prime is 133311443263. The reversal of 133311443240 is 42344113331.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 11029676 + ... + 11041755.

It is an arithmetic number, because the mean of its divisors is an integer number (9435537180).

Almost surely, 2^133311443240 is an apocalyptic number.

133311443240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133311443240 is an abundant number, since it is smaller than the sum of its proper divisors (168625746520).

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

133311443240 is a wasteful number, since it uses less digits than its factorization.

133311443240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22071593 (or 22071589 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 133311443240 its reverse (42344113331), we get a palindrome (175655556571).

The spelling of 133311443240 in words is "one hundred thirty-three billion, three hundred eleven million, four hundred forty-three thousand, two hundred forty".