2140536 has 16 divisors (see below), whose sum is σ = 5351400. Its totient is φ = 713504.

The previous prime is 2140531. The next prime is 2140543. The reversal of 2140536 is 6350412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44571 + ... + 44618.

2^2140536 is an apocalyptic number.

It is an amenable number.

2140536 is an abundant number, since it is smaller than the sum of its proper divisors (3210864).

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

2140536 is a wasteful number, since it uses less digits than its factorization.

2140536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89198 (or 89194 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2140536 is about 1463.0570733912. The cubic root of 2140536 is about 128.8766322515.

Adding to 2140536 its reverse (6350412), we get a palindrome (8490948).

The spelling of 2140536 in words is "two million, one hundred forty thousand, five hundred thirty-six".