134894591999 has 8 divisors (see below), whose sum is σ = 137928360960. Its totient is φ = 131893979256.

The previous prime is 134894591939. The next prime is 134894592037. The reversal of 134894591999 is 999195498431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134894591999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134894591939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8280827 + ... + 8297100.

It is an arithmetic number, because the mean of its divisors is an integer number (17241045120).

Almost surely, 2^134894591999 is an apocalyptic number.

134894591999 is a deficient number, since it is larger than the sum of its proper divisors (3033768961).

134894591999 is a wasteful number, since it uses less digits than its factorization.

134894591999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16578109.

The product of its digits is 113374080, while the sum is 71.

The spelling of 134894591999 in words is "one hundred thirty-four billion, eight hundred ninety-four million, five hundred ninety-one thousand, nine hundred ninety-nine".