274894153 has 4 divisors (see below), whose sum is σ = 275017680. Its totient is φ = 274770628.

The previous prime is 274894133. The next prime is 274894163. The reversal of 274894153 is 351498472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274894153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274894133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58363 + ... + 62896.

It is an arithmetic number, because the mean of its divisors is an integer number (68754420).

Almost surely, 2^274894153 is an apocalyptic number.

It is an amenable number.

274894153 is a deficient number, since it is larger than the sum of its proper divisors (123527).

274894153 is a wasteful number, since it uses less digits than its factorization.

274894153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123526.

The product of its digits is 241920, while the sum is 43.

The square root of 274894153 is about 16579.9322374972. The cubic root of 274894153 is about 650.2122801719.

The spelling of 274894153 in words is "two hundred seventy-four million, eight hundred ninety-four thousand, one hundred fifty-three".