134899319088 has 120 divisors (see below), whose sum is σ = 403406546400. Its totient is φ = 41933002752.

The previous prime is 134899319069. The next prime is 134899319089. The reversal of 134899319088 is 880913998431.

134899319088 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (134899319089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14053 + ... + 519611.

It is an arithmetic number, because the mean of its divisors is an integer number (3361721220).

Almost surely, 2^134899319088 is an apocalyptic number.

134899319088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134899319088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201703273200).

134899319088 is an abundant number, since it is smaller than the sum of its proper divisors (268507227312).

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

134899319088 is a wasteful number, since it uses less digits than its factorization.

134899319088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505699 (or 505690 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 63.

The spelling of 134899319088 in words is "one hundred thirty-four billion, eight hundred ninety-nine million, three hundred nineteen thousand, eighty-eight".