135569124668 has 6 divisors (see below), whose sum is σ = 237245968176. Its totient is φ = 67784562332.

The previous prime is 135569124659. The next prime is 135569124731. The reversal of 135569124668 is 866421965531.

It is a super-2 number, since 2×135569124668² (a number of 23 digits) contains 22 as substring.

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, 16946140580 + ... + 16946140587.

It is an arithmetic number, because the mean of its divisors is an integer number (39540994696).

Almost surely, 2^135569124668 is an apocalyptic number.

It is an amenable number.

135569124668 is a deficient number, since it is larger than the sum of its proper divisors (101676843508).

135569124668 is a wasteful number, since it uses less digits than its factorization.

135569124668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33892281171 (or 33892281169 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 56.

The spelling of 135569124668 in words is "one hundred thirty-five billion, five hundred sixty-nine million, one hundred twenty-four thousand, six hundred sixty-eight".