134123861586 has 96 divisors (see below), whose sum is σ = 318854600064. Its totient is φ = 37360857600.

The previous prime is 134123861581. The next prime is 134123861617. The reversal of 134123861586 is 685168321431.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134123861581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2245075 + ... + 2304041.

It is an arithmetic number, because the mean of its divisors is an integer number (3321402084).

Almost surely, 2^134123861586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134123861586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159427300032).

134123861586 is an abundant number, since it is smaller than the sum of its proper divisors (184730738478).

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

134123861586 is a wasteful number, since it uses less digits than its factorization.

134123861586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59248 (or 59237 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 134123861586 in words is "one hundred thirty-four billion, one hundred twenty-three million, eight hundred sixty-one thousand, five hundred eighty-six".