133100000000 has 324 divisors, whose sum is σ = 365284969224. Its totient is φ = 48400000000.

The previous prime is 133099999939. The next prime is 133100000003. The reversal of 133100000000 is 1331.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a super-2 number, since 2×133100000000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (133100000003) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12099999995 + ... + 12100000005.

Almost surely, 2^133100000000 is an apocalyptic number.

133100000000 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 133100000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182642484612).

133100000000 is an abundant number, since it is smaller than the sum of its proper divisors (232184969224).

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

133100000000 is an frugal number, since it uses more digits than its factorization.

133100000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 8.

Adding to 133100000000 its reverse (1331), we get a palindrome (133100001331).

Multiplying 133100000000 by its reverse (1331), we get a square (177156100000000 = 13310000²).

133100000000 divided by its reverse (1331) gives a 8-th power (100000000 = 10⁸).

It can be divided in two parts, 13 and 3100000000, that added together give a palindrome (3100000013).

The spelling of 133100000000 in words is "one hundred thirty-three billion, one hundred million", and thus it is an aban number.