135980668683 has 12 divisors (see below), whose sum is σ = 196443733720. Its totient is φ = 90641219616.

The previous prime is 135980668679. The next prime is 135980668687. The reversal of 135980668683 is 386866089531.

It is an interprime number because it is at equal distance from previous prime (135980668679) and next prime (135980668687).

It is not a de Polignac number, because 135980668683 - 2² = 135980668679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135980668683.

It is not an unprimeable number, because it can be changed into a prime (135980668687) 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 11 ways as a sum of consecutive naturals, for example, 977818 + ... + 1108191.

Almost surely, 2^135980668683 is an apocalyptic number.

135980668683 is a deficient number, since it is larger than the sum of its proper divisors (60463065037).

135980668683 is a wasteful number, since it uses less digits than its factorization.

135980668683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093258 (or 2093255 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 135980668683 in words is "one hundred thirty-five billion, nine hundred eighty million, six hundred sixty-eight thousand, six hundred eighty-three".