3135661543 has 32 divisors (see below), whose sum is σ = 3835054080. Its totient is φ = 2502696960.

The previous prime is 3135661517. The next prime is 3135661559. The reversal of 3135661543 is 3451665313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3135661543 - 2¹³ = 3135653351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135661513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7142518 + ... + 7142956.

It is an arithmetic number, because the mean of its divisors is an integer number (119845440).

Almost surely, 2^3135661543 is an apocalyptic number.

3135661543 is a deficient number, since it is larger than the sum of its proper divisors (699392537).

3135661543 is a wasteful number, since it uses less digits than its factorization.

3135661543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its digits is 97200, while the sum is 37.

The square root of 3135661543 is about 55996.9779809589. The cubic root of 3135661543 is about 1463.6696240521.

The spelling of 3135661543 in words is "three billion, one hundred thirty-five million, six hundred sixty-one thousand, five hundred forty-three".