127139485 has 16 divisors (see below), whose sum is σ = 166681152. Its totient is φ = 92329600.

The previous prime is 127139477. The next prime is 127139489. The reversal of 127139485 is 584931721.

It is not a de Polignac number, because 127139485 - 2³ = 127139477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127139489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50865 + ... + 53305.

It is an arithmetic number, because the mean of its divisors is an integer number (10417572).

Almost surely, 2^127139485 is an apocalyptic number.

It is an amenable number.

127139485 is a deficient number, since it is larger than the sum of its proper divisors (39541667).

127139485 is a wasteful number, since it uses less digits than its factorization.

127139485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404.

The product of its digits is 60480, while the sum is 40.

The square root of 127139485 is about 11275.6146173945. The cubic root of 127139485 is about 502.8365244945.

The spelling of 127139485 in words is "one hundred twenty-seven million, one hundred thirty-nine thousand, four hundred eighty-five".