134244243988 has 24 divisors (see below), whose sum is σ = 237634568640. Its totient is φ = 66349081920.

The previous prime is 134244243953. The next prime is 134244243989. The reversal of 134244243988 is 889342442431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134244243989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245153 + ... + 1348663.

It is an arithmetic number, because the mean of its divisors is an integer number (9901440360).

Almost surely, 2^134244243988 is an apocalyptic number.

It is an amenable number.

134244243988 is a deficient number, since it is larger than the sum of its proper divisors (103390324652).

134244243988 is a wasteful number, since it uses less digits than its factorization.

134244243988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107247 (or 107245 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 52.

The spelling of 134244243988 in words is "one hundred thirty-four billion, two hundred forty-four million, two hundred forty-three thousand, nine hundred eighty-eight".