133113254120 has 128 divisors (see below), whose sum is σ = 373559040000. Its totient is φ = 41473132800.

The previous prime is 133113254107. The next prime is 133113254207. The reversal of 133113254120 is 21452311331.

It is a self number, because there is not a number n which added to its sum of digits gives 133113254120.

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, 9229715 + ... + 9244125.

It is an arithmetic number, because the mean of its divisors is an integer number (2918430000).

Almost surely, 2^133113254120 is an apocalyptic number.

133113254120 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 133113254120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186779520000).

133113254120 is an abundant number, since it is smaller than the sum of its proper divisors (240445785880).

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

133113254120 is a wasteful number, since it uses less digits than its factorization.

133113254120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17439 (or 17435 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 133113254120 its reverse (21452311331), we get a palindrome (154565565451).

The spelling of 133113254120 in words is "one hundred thirty-three billion, one hundred thirteen million, two hundred fifty-four thousand, one hundred twenty".