3540205144513 has 4 divisors (see below), whose sum is σ = 3540737272788. Its totient is φ = 3539673016240.

The previous prime is 3540205144457. The next prime is 3540205144559. The reversal of 3540205144513 is 3154415020453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186574755249 + 3353630389264 = 431943^2 + 1831292^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540205144513 - 2²⁹ = 3539668273601 is a prime.

It is a super-2 number, since 2×3540205144513² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540205144813) 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, 266054158 + ... + 266067463.

It is an arithmetic number, because the mean of its divisors is an integer number (885184318197).

Almost surely, 2^{3540205144513} is an apocalyptic number.

It is an amenable number.

3540205144513 is a deficient number, since it is larger than the sum of its proper divisors (532128275).

3540205144513 is an equidigital number, since it uses as much as digits as its factorization.

3540205144513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532128274.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 3540205144513 in words is "three trillion, five hundred forty billion, two hundred five million, one hundred forty-four thousand, five hundred thirteen".