2139127 has 8 divisors (see below), whose sum is σ = 2343600. Its totient is φ = 1943424.

The previous prime is 2139107. The next prime is 2139131. The reversal of 2139127 is 7219312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2139127 - 2⁷ = 2138999 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3⁵ + 9⁴ + 1 + 2²¹ + 7⁴ .

It is a Duffinian number.

2139127 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139107) 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, 1677 + ... + 2662.

It is an arithmetic number, because the mean of its divisors is an integer number (292950).

2^2139127 is an apocalyptic number.

2139127 is a deficient number, since it is larger than the sum of its proper divisors (204473).

2139127 is a wasteful number, since it uses less digits than its factorization.

2139127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385.

The product of its digits is 756, while the sum is 25.

The square root of 2139127 is about 1462.5754681383. The cubic root of 2139127 is about 128.8483485206.

It can be divided in two parts, 2 and 139127, that added together give a square (139129 = 373²).

The spelling of 2139127 in words is "two million, one hundred thirty-nine thousand, one hundred twenty-seven".