2140761 has 12 divisors (see below), whose sum is σ = 3320592. Its totient is φ = 1223208.

The previous prime is 2140753. The next prime is 2140763. The reversal of 2140761 is 1670412.

It is not a de Polignac number, because 2140761 - 2³ = 2140753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2140763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7135 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (276716).

2^2140761 is an apocalyptic number.

2140761 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2140761 is a deficient number, since it is larger than the sum of its proper divisors (1179831).

2140761 is a wasteful number, since it uses less digits than its factorization.

2140761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14580 (or 14573 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2140761 is about 1463.1339651584. The cubic root of 2140761 is about 128.8811476667.

The spelling of 2140761 in words is "two million, one hundred forty thousand, seven hundred sixty-one".