2139735 has 16 divisors (see below), whose sum is σ = 3687264. Its totient is φ = 1053312.

The previous prime is 2139733. The next prime is 2139737. The reversal of 2139735 is 5379312.

It is an interprime number because it is at equal distance from previous prime (2139733) and next prime (2139737).

It is not a de Polignac number, because 2139735 - 2¹ = 2139733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139733) 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, 5292 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (230454).

2^2139735 is an apocalyptic number.

2139735 is a deficient number, since it is larger than the sum of its proper divisors (1547529).

2139735 is a wasteful number, since it uses less digits than its factorization.

2139735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994.

The product of its digits is 5670, while the sum is 30.

The square root of 2139735 is about 1462.7833058933. The cubic root of 2139735 is about 128.8605548046.

The spelling of 2139735 in words is "two million, one hundred thirty-nine thousand, seven hundred thirty-five".