2139027 has 16 divisors (see below), whose sum is σ = 3172608. Its totient is φ = 1270880.

The previous prime is 2139013. The next prime is 2139043. The reversal of 2139027 is 7209312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2139027 is a prime.

2139027 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2138988 and 2139006.

It is not an unprimeable number, because it can be changed into a prime (2139047) 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, 1138 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (198288).

2^2139027 is an apocalyptic number.

2139027 is a deficient number, since it is larger than the sum of its proper divisors (1033581).

2139027 is a wasteful number, since it uses less digits than its factorization.

2139027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2139027 is about 1462.5412814687. The cubic root of 2139027 is about 128.8463406867.

The spelling of 2139027 in words is "two million, one hundred thirty-nine thousand, twenty-seven".