133456403110420 has 96 divisors (see below), whose sum is σ = 303444580787712. Its totient is φ = 49010556100608.

The previous prime is 133456403110411. The next prime is 133456403110439. The reversal of 133456403110420 is 24011304654331.

It is a super-2 number, since 2×133456403110420² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133456403110420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239732919 + ... + 240288961.

It is an arithmetic number, because the mean of its divisors is an integer number (3160881049872).

Almost surely, 2^{133456403110420} is an apocalyptic number.

133456403110420 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 133456403110420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151722290393856).

133456403110420 is an abundant number, since it is smaller than the sum of its proper divisors (169988177677292).

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

133456403110420 is a wasteful number, since it uses less digits than its factorization.

133456403110420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561041 (or 561039 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 133456403110420 its reverse (24011304654331), we get a palindrome (157467707764751).

The spelling of 133456403110420 in words is "one hundred thirty-three trillion, four hundred fifty-six billion, four hundred three million, one hundred ten thousand, four hundred twenty".