133245913408 has 28 divisors (see below), whose sum is σ = 268891390080. Its totient is φ = 65493752192.

The previous prime is 133245913403. The next prime is 133245913429. The reversal of 133245913408 is 804319542331.

133245913408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133245913403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17640016 + ... + 17647567.

Almost surely, 2^133245913408 is an apocalyptic number.

It is an amenable number.

133245913408 is an abundant number, since it is smaller than the sum of its proper divisors (135645476672).

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

133245913408 is an equidigital number, since it uses as much as digits as its factorization.

133245913408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35287654 (or 35287644 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 133245913408 in words is "one hundred thirty-three billion, two hundred forty-five million, nine hundred thirteen thousand, four hundred eight".