2139702 has 16 divisors (see below), whose sum is σ = 4300992. Its totient is φ = 709640.

The previous prime is 2139691. The next prime is 2139733. The reversal of 2139702 is 2079312.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (268812).

2^2139702 is an apocalyptic number.

2139702 is an abundant number, since it is smaller than the sum of its proper divisors (2161290).

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

2139702 is a wasteful number, since it uses less digits than its factorization.

2139702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

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

The square root of 2139702 is about 1462.7720259835. The cubic root of 2139702 is about 128.8598923518.

The spelling of 2139702 in words is "two million, one hundred thirty-nine thousand, seven hundred two".