134122825878 has 16 divisors (see below), whose sum is σ = 270752621760. Its totient is φ = 44289780296.

The previous prime is 134122825877. The next prime is 134122825897. The reversal of 134122825878 is 878528221431.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134122825878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134122825877) 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, 104456388 + ... + 104457671.

It is an arithmetic number, because the mean of its divisors is an integer number (16922038860).

Almost surely, 2^134122825878 is an apocalyptic number.

134122825878 is an abundant number, since it is smaller than the sum of its proper divisors (136629795882).

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

134122825878 is a wasteful number, since it uses less digits than its factorization.

134122825878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208914171.

The product of its digits is 1720320, while the sum is 51.

The spelling of 134122825878 in words is "one hundred thirty-four billion, one hundred twenty-two million, eight hundred twenty-five thousand, eight hundred seventy-eight".