133231615760 has 60 divisors (see below), whose sum is σ = 318182919588. Its totient is φ = 51844575744.

The previous prime is 133231615753. The next prime is 133231615819. The reversal of 133231615760 is 67516132331.

It can be written as a sum of positive squares in 6 ways, for example, as 13316236816 + 119915378944 = 115396^2 + 346288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19855286 + ... + 19861994.

Almost surely, 2^133231615760 is an apocalyptic number.

133231615760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133231615760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159091459794).

133231615760 is an abundant number, since it is smaller than the sum of its proper divisors (184951303828).

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

133231615760 is an frugal number, since it uses more digits than its factorization.

133231615760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13468 (or 6753 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 133231615760 in words is "one hundred thirty-three billion, two hundred thirty-one million, six hundred fifteen thousand, seven hundred sixty".