127899134 has 16 divisors (see below), whose sum is σ = 210113136. Its totient is φ = 57907200.

The previous prime is 127899103. The next prime is 127899137. The reversal of 127899134 is 431998721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127899137) 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, 5657 + ... + 16964.

It is an arithmetic number, because the mean of its divisors is an integer number (13132071).

Almost surely, 2^127899134 is an apocalyptic number.

127899134 is a deficient number, since it is larger than the sum of its proper divisors (82214002).

127899134 is a wasteful number, since it uses less digits than its factorization.

127899134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22891.

The product of its digits is 108864, while the sum is 44.

The square root of 127899134 is about 11309.2499309194. The cubic root of 127899134 is about 503.8360068408.

The spelling of 127899134 in words is "one hundred twenty-seven million, eight hundred ninety-nine thousand, one hundred thirty-four".