133453420000 has 60 divisors (see below), whose sum is σ = 328315480416. Its totient is φ = 53381360000.

The previous prime is 133453419991. The next prime is 133453420003. The reversal of 133453420000 is 24354331.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133453420003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3316336 + ... + 3356335.

Almost surely, 2^133453420000 is an apocalyptic number.

133453420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133453420000 is an abundant number, since it is smaller than the sum of its proper divisors (194862060416).

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

133453420000 is an frugal number, since it uses more digits than its factorization.

133453420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672701 (or 6672678 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 133453420000 its reverse (24354331), we get a palindrome (133477774331).

The spelling of 133453420000 in words is "one hundred thirty-three billion, four hundred fifty-three million, four hundred twenty thousand".