133031520120 has 64 divisors (see below), whose sum is σ = 399576276000. Its totient is φ = 35432252928.

The previous prime is 133031520119. The next prime is 133031520179. The reversal of 133031520120 is 21025130331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569155 + ... + 768114.

Almost surely, 2^133031520120 is an apocalyptic number.

133031520120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133031520120 is an abundant number, since it is smaller than the sum of its proper divisors (266544755880).

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

133031520120 is a wasteful number, since it uses less digits than its factorization.

133031520120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338112 (or 1338108 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 133031520120 its reverse (21025130331), we get a palindrome (154056650451).

The spelling of 133031520120 in words is "one hundred thirty-three billion, thirty-one million, five hundred twenty thousand, one hundred twenty".