84140683745135 has 4 divisors (see below), whose sum is σ = 100968820494168. Its totient is φ = 67312546996104.

The previous prime is 84140683745077. The next prime is 84140683745147. The reversal of 84140683745135 is 53154738604148.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84140683745135 - 2²⁴ = 84140666967919 is a prime.

It is a super-2 number, since 2×84140683745135² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8414068374509 + ... + 8414068374518.

It is an arithmetic number, because the mean of its divisors is an integer number (25242205123542).

Almost surely, 2^{84140683745135} is an apocalyptic number.

84140683745135 is a deficient number, since it is larger than the sum of its proper divisors (16828136749033).

84140683745135 is a wasteful number, since it uses less digits than its factorization.

84140683745135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16828136749032.

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 84140683745135 in words is "eighty-four trillion, one hundred forty billion, six hundred eighty-three million, seven hundred forty-five thousand, one hundred thirty-five".