2140902 has 24 divisors (see below), whose sum is σ = 4697784. Its totient is φ = 704544.

The previous prime is 2140877. The next prime is 2140903. The reversal of 2140902 is 2090412.

It is a super-2 number, since 2×2140902² = 9166922747208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140903) 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, 778 + ... + 2210.

It is an arithmetic number, because the mean of its divisors is an integer number (195741).

2^2140902 is an apocalyptic number.

2140902 is an abundant number, since it is smaller than the sum of its proper divisors (2556882).

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

2140902 is a wasteful number, since it uses less digits than its factorization.

2140902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2140902 is about 1463.1821486062. The cubic root of 2140902 is about 128.8839771656.

The spelling of 2140902 in words is "two million, one hundred forty thousand, nine hundred two".