133706777564 has 24 divisors (see below), whose sum is σ = 240629801328. Its totient is φ = 64978983680.

The previous prime is 133706777551. The next prime is 133706777591. The reversal of 133706777564 is 465777607331.

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 7 ways as a sum of consecutive naturals, for example, 2924477 + ... + 2969844.

It is an arithmetic number, because the mean of its divisors is an integer number (10026241722).

Almost surely, 2^133706777564 is an apocalyptic number.

It is an amenable number.

133706777564 is a deficient number, since it is larger than the sum of its proper divisors (106923023764).

133706777564 is a wasteful number, since it uses less digits than its factorization.

133706777564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894485 (or 5894483 counting only the distinct ones).

The product of its (nonzero) digits is 15558480, while the sum is 56.

The spelling of 133706777564 in words is "one hundred thirty-three billion, seven hundred six million, seven hundred seventy-seven thousand, five hundred sixty-four".