273138368 has 14 divisors (see below), whose sum is σ = 542009076. Its totient is φ = 136569152.

The previous prime is 273138367. The next prime is 273138373. The reversal of 273138368 is 863831372.

It is not an unprimeable number, because it can be changed into a prime (273138367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2133830 + ... + 2133957.

It is an arithmetic number, because the mean of its divisors is an integer number (38714934).

Almost surely, 2^273138368 is an apocalyptic number.

It is an amenable number.

273138368 is a deficient number, since it is larger than the sum of its proper divisors (268870708).

273138368 is an equidigital number, since it uses as much as digits as its factorization.

273138368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267799 (or 4267789 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 273138368 is about 16526.8983175912. The cubic root of 273138368 is about 648.8249920054.

The spelling of 273138368 in words is "two hundred seventy-three million, one hundred thirty-eight thousand, three hundred sixty-eight".