19139127 has 16 divisors (see below), whose sum is σ = 30880512. Its totient is φ = 10293120.

The previous prime is 19139119. The next prime is 19139129. The reversal of 19139127 is 72193191.

It is not a de Polignac number, because 19139127 - 2³ = 19139119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19139129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26449 + ... + 27162.

It is an arithmetic number, because the mean of its divisors is an integer number (1930032).

Almost surely, 2^19139127 is an apocalyptic number.

19139127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

19139127 is a deficient number, since it is larger than the sum of its proper divisors (11741385).

19139127 is a wasteful number, since it uses less digits than its factorization.

19139127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53638.

The product of its digits is 3402, while the sum is 33.

The square root of 19139127 is about 4374.8287966502. The cubic root of 19139127 is about 267.4898916028.

The spelling of 19139127 in words is "nineteen million, one hundred thirty-nine thousand, one hundred twenty-seven".