2140734 has 16 divisors (see below), whose sum is σ = 4352400. Its totient is φ = 701760.

The previous prime is 2140729. The next prime is 2140741. The reversal of 2140734 is 4370412.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2140734.

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, 2559 + ... + 3290.

It is an arithmetic number, because the mean of its divisors is an integer number (272025).

2^2140734 is an apocalyptic number.

2140734 is an abundant number, since it is smaller than the sum of its proper divisors (2211666).

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

2140734 is a wasteful number, since it uses less digits than its factorization.

2140734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2140734 is about 1463.1247383597. The cubic root of 2140734 is about 128.8806058336.

It can be divided in two parts, 21 and 40734, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 2140734 in words is "two million, one hundred forty thousand, seven hundred thirty-four".