133112355420 has 48 divisors (see below), whose sum is σ = 406597742208. Its totient is φ = 32269661760.

The previous prime is 133112355349. The next prime is 133112355451. The reversal of 133112355420 is 24553211331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100842034 + ... + 100843353.

It is an arithmetic number, because the mean of its divisors is an integer number (8470786296).

Almost surely, 2^133112355420 is an apocalyptic number.

133112355420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133112355420 is an abundant number, since it is smaller than the sum of its proper divisors (273485386788).

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

133112355420 is a wasteful number, since it uses less digits than its factorization.

133112355420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201685410 (or 201685408 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 133112355420 its reverse (24553211331), we get a palindrome (157665566751).

The spelling of 133112355420 in words is "one hundred thirty-three billion, one hundred twelve million, three hundred fifty-five thousand, four hundred twenty".