133403320112420 has 36 divisors (see below), whose sum is σ = 297595572595860. Its totient is φ = 50222426393088.

The previous prime is 133403320112339. The next prime is 133403320112423. The reversal of 133403320112420 is 24211023304331.

It can be written as a sum of positive squares in 6 ways, for example, as 30527415126244 + 102875904986176 = 5525162^2 + 10142776^2 .

It is not an unprimeable number, because it can be changed into a prime (133403320112423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11540073815 + ... + 11540085374.

Almost surely, 2^{133403320112420} is an apocalyptic number.

133403320112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133403320112420 is an abundant number, since it is smaller than the sum of its proper divisors (164192252483440).

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

133403320112420 is a wasteful number, since it uses less digits than its factorization.

133403320112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23080159232 (or 23080159213 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 133403320112420 its reverse (24211023304331), we get a palindrome (157614343416751).

The spelling of 133403320112420 in words is "one hundred thirty-three trillion, four hundred three billion, three hundred twenty million, one hundred twelve thousand, four hundred twenty".