134576856778 has 192 divisors, whose sum is σ = 278310850560. Its totient is φ = 47556647424.

The previous prime is 134576856773. The next prime is 134576856833. The reversal of 134576856778 is 877658675431.

It is a super-2 number, since 2×134576856778² (a number of 23 digits) contains 22 as substring.

Its product of digits (237081600) is a multiple of the sum of its prime divisors (1920).

It is not an unprimeable number, because it can be changed into a prime (134576856773) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 75476875 + ... + 75478657.

It is an arithmetic number, because the mean of its divisors is an integer number (1449535680).

Almost surely, 2^134576856778 is an apocalyptic number.

134576856778 is an abundant number, since it is smaller than the sum of its proper divisors (143733993782).

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

134576856778 is a wasteful number, since it uses less digits than its factorization.

134576856778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933 (or 1920 counting only the distinct ones).

The product of its digits is 237081600, while the sum is 67.

The spelling of 134576856778 in words is "one hundred thirty-four billion, five hundred seventy-six million, eight hundred fifty-six thousand, seven hundred seventy-eight".