134378696928 has 96 divisors (see below), whose sum is σ = 403507802880. Its totient is φ = 38358512640.

The previous prime is 134378696923. The next prime is 134378696939. The reversal of 134378696928 is 829696873431.

It is a Cunningham number, because it is equal to 366577²-1.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134378696923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641508 + ... + 824796.

It is an arithmetic number, because the mean of its divisors is an integer number (4203206280).

Almost surely, 2^134378696928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134378696928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201753901440).

134378696928 is an abundant number, since it is smaller than the sum of its proper divisors (269129105952).

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

134378696928 is a wasteful number, since it uses less digits than its factorization.

134378696928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184400 (or 184392 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 66.

The spelling of 134378696928 in words is "one hundred thirty-four billion, three hundred seventy-eight million, six hundred ninety-six thousand, nine hundred twenty-eight".