135935689837 has 8 divisors (see below), whose sum is σ = 139581823680. Its totient is φ = 132334294080.

The previous prime is 135935689759. The next prime is 135935689847. The reversal of 135935689837 is 738986539531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135935689837 is a prime.

It is a super-2 number, since 2×135935689837² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135935689847) by changing a digit.

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, 11178364 + ... + 11190517.

It is an arithmetic number, because the mean of its divisors is an integer number (17447727960).

Almost surely, 2^135935689837 is an apocalyptic number.

It is an amenable number.

135935689837 is a deficient number, since it is larger than the sum of its proper divisors (3646133843).

135935689837 is a wasteful number, since it uses less digits than its factorization.

135935689837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22369043.

The product of its digits is 146966400, while the sum is 67.

The spelling of 135935689837 in words is "one hundred thirty-five billion, nine hundred thirty-five million, six hundred eighty-nine thousand, eight hundred thirty-seven".