135480140668 has 12 divisors (see below), whose sum is σ = 237216572712. Its totient is φ = 67703977040.

The previous prime is 135480140659. The next prime is 135480140683. The reversal of 135480140668 is 866041084531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9014878 + ... + 9029893.

It is an arithmetic number, because the mean of its divisors is an integer number (19768047726).

Almost surely, 2^135480140668 is an apocalyptic number.

It is an amenable number.

135480140668 is a deficient number, since it is larger than the sum of its proper divisors (101736432044).

135480140668 is a wasteful number, since it uses less digits than its factorization.

135480140668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18046652 (or 18046650 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 135480140668 in words is "one hundred thirty-five billion, four hundred eighty million, one hundred forty thousand, six hundred sixty-eight".