134876897280 has 392 divisors, whose sum is σ = 485412627852. Its totient is φ = 35959209984.

The previous prime is 134876897257. The next prime is 134876897299. The reversal of 134876897280 is 82798678431.

134876897280 is a `hidden beast` number, since 1 + 3 + 487 + 6 + 8 + 9 + 72 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111224918016 + 23651979264 = 333504^2 + 153792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 29857582 + ... + 29862098.

Almost surely, 2^134876897280 is an apocalyptic number.

134876897280 is a gapful number since it is divisible by the number (10) 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 134876897280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242706313926).

134876897280 is an abundant number, since it is smaller than the sum of its proper divisors (350535730572).

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

134876897280 is an frugal number, since it uses more digits than its factorization.

134876897280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 134876897280 in words is "one hundred thirty-four billion, eight hundred seventy-six million, eight hundred ninety-seven thousand, two hundred eighty".