2135546231273 has 16 divisors (see below), whose sum is σ = 2766699573120. Its totient is φ = 1600733321856.

The previous prime is 2135546231261. The next prime is 2135546231281. The reversal of 2135546231273 is 3721326455312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2135546231273 - 2²⁰ = 2135545182697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135546230273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617565140 + ... + 617568597.

It is an arithmetic number, because the mean of its divisors is an integer number (172918723320).

Almost surely, 2^{2135546231273} is an apocalyptic number.

It is an amenable number.

2135546231273 is a deficient number, since it is larger than the sum of its proper divisors (631153341847).

2135546231273 is a wasteful number, since it uses less digits than its factorization.

2135546231273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235133776.

The product of its digits is 907200, while the sum is 44.

The spelling of 2135546231273 in words is "two trillion, one hundred thirty-five billion, five hundred forty-six million, two hundred thirty-one thousand, two hundred seventy-three".