274939143 has 16 divisors (see below), whose sum is σ = 381459456. Its totient is φ = 176003360.

The previous prime is 274939117. The next prime is 274939199. The reversal of 274939143 is 341939472.

It is a cyclic number.

It is not a de Polignac number, because 274939143 - 2¹⁰ = 274938119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274939095 and 274939104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274939103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10923 + ... + 25868.

It is an arithmetic number, because the mean of its divisors is an integer number (23841216).

Almost surely, 2^274939143 is an apocalyptic number.

274939143 is a deficient number, since it is larger than the sum of its proper divisors (106520313).

274939143 is a wasteful number, since it uses less digits than its factorization.

274939143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36894.

The product of its digits is 163296, while the sum is 42.

The square root of 274939143 is about 16581.2889426606. The cubic root of 274939143 is about 650.2477501330.

The spelling of 274939143 in words is "two hundred seventy-four million, nine hundred thirty-nine thousand, one hundred forty-three".