3540143 has 4 divisors (see below), whose sum is σ = 3550008. Its totient is φ = 3530280.

The previous prime is 3540139. The next prime is 3540149. The reversal of 3540143 is 3410453.

3540143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3410453 = 113 ⋅30181.

It is a cyclic number.

It is not a de Polignac number, because 3540143 - 2² = 3540139 is a prime.

It is a super-2 number, since 2×3540143² = 25065224920898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373 + ... + 5118.

It is an arithmetic number, because the mean of its divisors is an integer number (887502).

Almost surely, 2^3540143 is an apocalyptic number.

3540143 is a deficient number, since it is larger than the sum of its proper divisors (9865).

3540143 is an equidigital number, since it uses as much as digits as its factorization.

3540143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3540143 is about 1881.5267736602. The cubic root of 3540143 is about 152.4077090958.

Adding to 3540143 its reverse (3410453), we get a palindrome (6950596).

The spelling of 3540143 in words is "three million, five hundred forty thousand, one hundred forty-three".