134378213976 has 160 divisors (see below), whose sum is σ = 388847923200. Its totient is φ = 43311775680.

The previous prime is 134378213953. The next prime is 134378214049. The reversal of 134378213976 is 679312873431.

134378213976 is a `hidden beast` number, since 1 + 3 + 437 + 8 + 2 + 139 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35332891 + ... + 35336693.

It is an arithmetic number, because the mean of its divisors is an integer number (2430299520).

Almost surely, 2^134378213976 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 134378213976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194423961600).

134378213976 is an abundant number, since it is smaller than the sum of its proper divisors (254469709224).

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

134378213976 is a wasteful number, since it uses less digits than its factorization.

134378213976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611 (or 5598 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 134378213976 in words is "one hundred thirty-four billion, three hundred seventy-eight million, two hundred thirteen thousand, nine hundred seventy-six".