133935205784 has 8 divisors (see below), whose sum is σ = 251128510860. Its totient is φ = 66967602888.

The previous prime is 133935205769. The next prime is 133935205849. The reversal of 133935205784 is 487502539331.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 8370950354 + ... + 8370950369.

Almost surely, 2^133935205784 is an apocalyptic number.

It is an amenable number.

133935205784 is a deficient number, since it is larger than the sum of its proper divisors (117193305076).

133935205784 is a wasteful number, since it uses less digits than its factorization.

133935205784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16741900729 (or 16741900725 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 133935205784 in words is "one hundred thirty-three billion, nine hundred thirty-five million, two hundred five thousand, seven hundred eighty-four".