135955889912 has 8 divisors (see below), whose sum is σ = 254917293600. Its totient is φ = 67977944952.

The previous prime is 135955889911. The next prime is 135955889921. The reversal of 135955889912 is 219988559531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135955889911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8497243112 + ... + 8497243127.

It is an arithmetic number, because the mean of its divisors is an integer number (31864661700).

Almost surely, 2^135955889912 is an apocalyptic number.

It is an amenable number.

135955889912 is a deficient number, since it is larger than the sum of its proper divisors (118961403688).

135955889912 is a wasteful number, since it uses less digits than its factorization.

135955889912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994486245 (or 16994486241 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 65.

The spelling of 135955889912 in words is "one hundred thirty-five billion, nine hundred fifty-five million, eight hundred eighty-nine thousand, nine hundred twelve".