133641320460 has 96 divisors (see below), whose sum is σ = 389574075072. Its totient is φ = 34199470080.

The previous prime is 133641320437. The next prime is 133641320507. The reversal of 133641320460 is 64023146331.

133641320460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133641320460² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250261 + ... + 574380.

It is an arithmetic number, because the mean of its divisors is an integer number (4058063282).

Almost surely, 2^133641320460 is an apocalyptic number.

133641320460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133641320460 is an abundant number, since it is smaller than the sum of its proper divisors (255932754612).

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

133641320460 is a wasteful number, since it uses less digits than its factorization.

133641320460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824763 (or 824761 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 133641320460 its reverse (64023146331), we get a palindrome (197664466791).

The spelling of 133641320460 in words is "one hundred thirty-three billion, six hundred forty-one million, three hundred twenty thousand, four hundred sixty".