273045139 has 4 divisors (see below), whose sum is σ = 273265000. Its totient is φ = 272825280.

The previous prime is 273045133. The next prime is 273045169. The reversal of 273045139 is 931540372.

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 273045139 - 2³ = 273045131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273045131) 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, 108057 + ... + 110554.

It is an arithmetic number, because the mean of its divisors is an integer number (68316250).

Almost surely, 2^273045139 is an apocalyptic number.

273045139 is a deficient number, since it is larger than the sum of its proper divisors (219861).

273045139 is a wasteful number, since it uses less digits than its factorization.

273045139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219860.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 273045139 is about 16524.0775536791. The cubic root of 273045139 is about 648.7511635046.

The spelling of 273045139 in words is "two hundred seventy-three million, forty-five thousand, one hundred thirty-nine".