134644750136 has 128 divisors (see below), whose sum is σ = 283445870400. Its totient is φ = 59560427520.

The previous prime is 134644750127. The next prime is 134644750153. The reversal of 134644750136 is 631057446431.

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 in 31 ways as a sum of consecutive naturals, for example, 95559800 + ... + 95561208.

Almost surely, 2^134644750136 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 134644750136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141722935200).

134644750136 is an abundant number, since it is smaller than the sum of its proper divisors (148801120264).

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

134644750136 is a wasteful number, since it uses less digits than its factorization.

134644750136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 134644750136 in words is "one hundred thirty-four billion, six hundred forty-four million, seven hundred fifty thousand, one hundred thirty-six".