3540155 has 4 divisors (see below), whose sum is σ = 4248192. Its totient is φ = 2832120.

The previous prime is 3540149. The next prime is 3540157. The reversal of 3540155 is 5510453.

3540155 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.

It is not a de Polignac number, because 3540155 - 2⁴ = 3540139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3540155.

It is not an unprimeable number, because it can be changed into a prime (3540157) 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, 354011 + ... + 354020.

It is an arithmetic number, because the mean of its divisors is an integer number (1062048).

Almost surely, 2^3540155 is an apocalyptic number.

3540155 is a deficient number, since it is larger than the sum of its proper divisors (708037).

3540155 is an equidigital number, since it uses as much as digits as its factorization.

3540155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708036.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 3540155 is about 1881.5299625571. The cubic root of 3540155 is about 152.4078813008.

The spelling of 3540155 in words is "three million, five hundred forty thousand, one hundred fifty-five".