133949996782 has 16 divisors (see below), whose sum is σ = 229669066080. Its totient is φ = 57397016448.

The previous prime is 133949996779. The next prime is 133949996797. The reversal of 133949996782 is 287699949331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761263 + ... + 920554.

It is an arithmetic number, because the mean of its divisors is an integer number (14354316630).

Almost surely, 2^133949996782 is an apocalyptic number.

133949996782 is a deficient number, since it is larger than the sum of its proper divisors (95719069298).

133949996782 is a wasteful number, since it uses less digits than its factorization.

133949996782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687515.

The product of its digits is 158723712, while the sum is 70.

The spelling of 133949996782 in words is "one hundred thirty-three billion, nine hundred forty-nine million, nine hundred ninety-six thousand, seven hundred eighty-two".