134238497388 has 48 divisors (see below), whose sum is σ = 315190127616. Its totient is φ = 44465889600.

The previous prime is 134238497363. The next prime is 134238497399. The reversal of 134238497388 is 883794832431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462038 + ... + 1551138.

It is an arithmetic number, because the mean of its divisors is an integer number (6566460992).

Almost surely, 2^134238497388 is an apocalyptic number.

It is an amenable number.

134238497388 is an abundant number, since it is smaller than the sum of its proper divisors (180951630228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134238497388 is a wasteful number, since it uses less digits than its factorization.

134238497388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89894 (or 89892 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 60.

The spelling of 134238497388 in words is "one hundred thirty-four billion, two hundred thirty-eight million, four hundred ninety-seven thousand, three hundred eighty-eight".