133434403420 has 96 divisors (see below), whose sum is σ = 294434316288. Its totient is φ = 50751816192.

The previous prime is 133434403411. The next prime is 133434403429. The reversal of 133434403420 is 24304434331.

It is an interprime number because it is at equal distance from previous prime (133434403411) and next prime (133434403429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133434403429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4583029 + ... + 4612051.

It is an arithmetic number, because the mean of its divisors is an integer number (3067024128).

Almost surely, 2^133434403420 is an apocalyptic number.

133434403420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133434403420 is an abundant number, since it is smaller than the sum of its proper divisors (160999912868).

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

133434403420 is a wasteful number, since it uses less digits than its factorization.

133434403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29219 (or 29217 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 133434403420 its reverse (24304434331), we get a palindrome (157738837751).

The spelling of 133434403420 in words is "one hundred thirty-three billion, four hundred thirty-four million, four hundred three thousand, four hundred twenty".