127144134 has 64 divisors (see below), whose sum is σ = 306700800. Its totient is φ = 38810016.

The previous prime is 127144123. The next prime is 127144159. The reversal of 127144134 is 431441721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 127144098 and 127144107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96927 + ... + 98229.

It is an arithmetic number, because the mean of its divisors is an integer number (4792200).

Almost surely, 2^127144134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127144134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153350400).

127144134 is an abundant number, since it is smaller than the sum of its proper divisors (179556666).

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

127144134 is a wasteful number, since it uses less digits than its factorization.

127144134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1460 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 127144134 is about 11275.8207683521. The cubic root of 127144134 is about 502.8426533498.

Adding to 127144134 its reverse (431441721), we get a palindrome (558585855).

The spelling of 127144134 in words is "one hundred twenty-seven million, one hundred forty-four thousand, one hundred thirty-four".