133817434368 has 36 divisors (see below), whose sum is σ = 356149527888. Its totient is φ = 44605811200.

The previous prime is 133817434367. The next prime is 133817434391. The reversal of 133817434368 is 863434718331.

It is a self number, because there is not a number n which added to its sum of digits gives 133817434368.

It is not an unprimeable number, because it can be changed into a prime (133817434367) 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, 87119958 + ... + 87121493.

Almost surely, 2^133817434368 is an apocalyptic number.

It is an amenable number.

133817434368 is an abundant number, since it is smaller than the sum of its proper divisors (222332093520).

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

133817434368 is an equidigital number, since it uses as much as digits as its factorization.

133817434368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174241470 (or 174241456 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The spelling of 133817434368 in words is "one hundred thirty-three billion, eight hundred seventeen million, four hundred thirty-four thousand, three hundred sixty-eight".