134465719698 has 54 divisors (see below), whose sum is σ = 307550853909. Its totient is φ = 42453524304.

The previous prime is 134465719681. The next prime is 134465719699. The reversal of 134465719698 is 896917564431.

134465719698 is a `hidden beast` number, since 13 + 4 + 46 + 571 + 9 + 6 + 9 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 126548813169 + 7916906529 = 355737^2 + 88977^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=259293.

It is a super-2 number, since 2×134465719698² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134465719699) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29557128 + ... + 29561676.

Almost surely, 2^134465719698 is an apocalyptic number.

134465719698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134465719698

134465719698 is an abundant number, since it is smaller than the sum of its proper divisors (173085134211).

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

134465719698 is an frugal number, since it uses more digits than its factorization.

134465719698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144 (or 4573 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 134465719698 in words is "one hundred thirty-four billion, four hundred sixty-five million, seven hundred nineteen thousand, six hundred ninety-eight".