133640714550 has 144 divisors (see below), whose sum is σ = 395962156800. Its totient is φ = 29218221120.

The previous prime is 133640714539. The next prime is 133640714567. The reversal of 133640714550 is 55417046331.

It is a junction number, because it is equal to n+sod(n) for n = 133640714499 and 133640714508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 435151 + ... + 675749.

It is an arithmetic number, because the mean of its divisors is an integer number (2749737200).

Almost surely, 2^133640714550 is an apocalyptic number.

133640714550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133640714550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197981078400).

133640714550 is an abundant number, since it is smaller than the sum of its proper divisors (262321442250).

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

133640714550 is a wasteful number, since it uses less digits than its factorization.

133640714550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240667 (or 240639 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 133640714550 in words is "one hundred thirty-three billion, six hundred forty million, seven hundred fourteen thousand, five hundred fifty".