134885640088 has 8 divisors (see below), whose sum is σ = 252910575180. Its totient is φ = 67442820040.

The previous prime is 134885640079. The next prime is 134885640091. The reversal of 134885640088 is 880046588431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8430352498 + ... + 8430352513.

Almost surely, 2^134885640088 is an apocalyptic number.

It is an amenable number.

134885640088 is a deficient number, since it is larger than the sum of its proper divisors (118024935092).

134885640088 is a wasteful number, since it uses less digits than its factorization.

134885640088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16860705017 (or 16860705013 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 134885640088 in words is "one hundred thirty-four billion, eight hundred eighty-five million, six hundred forty thousand, eighty-eight".