133366674640 has 160 divisors (see below), whose sum is σ = 322509786624. Its totient is φ = 51247964160.

The previous prime is 133366674629. The next prime is 133366674659. The reversal of 133366674640 is 46476663331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136505832 + ... + 136506808.

Almost surely, 2^133366674640 is an apocalyptic number.

133366674640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133366674640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161254893312).

133366674640 is an abundant number, since it is smaller than the sum of its proper divisors (189143111984).

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

133366674640 is a wasteful number, since it uses less digits than its factorization.

133366674640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 49.

The spelling of 133366674640 in words is "one hundred thirty-three billion, three hundred sixty-six million, six hundred seventy-four thousand, six hundred forty".