273285645137 has 8 divisors (see below), whose sum is σ = 274088181192. Its totient is φ = 272483712000.

The previous prime is 273285645109. The next prime is 273285645161. The reversal of 273285645137 is 731546582372.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41500208656 + 231785436481 = 203716^2 + 481441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 273285645137 - 2⁸ = 273285644881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273285245137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765293 + ... + 1064069.

It is an arithmetic number, because the mean of its divisors is an integer number (34261022649).

Almost surely, 2^273285645137 is an apocalyptic number.

It is an amenable number.

273285645137 is a deficient number, since it is larger than the sum of its proper divisors (802536055).

273285645137 is a wasteful number, since it uses less digits than its factorization.

273285645137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301459.

The product of its digits is 8467200, while the sum is 53.

The spelling of 273285645137 in words is "two hundred seventy-three billion, two hundred eighty-five million, six hundred forty-five thousand, one hundred thirty-seven".