2139126 has 16 divisors (see below), whose sum is σ = 4667328. Its totient is φ = 648200.

The previous prime is 2139107. The next prime is 2139131. The reversal of 2139126 is 6219312.

2139126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2139096 and 2139105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16140 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (291708).

2^2139126 is an apocalyptic number.

2139126 is an abundant number, since it is smaller than the sum of its proper divisors (2528202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2139126 is a wasteful number, since it uses less digits than its factorization.

2139126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32427.

The product of its digits is 648, while the sum is 24.

The square root of 2139126 is about 1462.5751262756. The cubic root of 2139126 is about 128.8483284426.

It can be divided in two parts, 213 and 9126, that added together give a palindrome (9339).

The spelling of 2139126 in words is "two million, one hundred thirty-nine thousand, one hundred twenty-six".