274156869 has 16 divisors (see below), whose sum is σ = 419643392. Its totient is φ = 155955888.

The previous prime is 274156859. The next prime is 274156889. The reversal of 274156869 is 968651472.

It is not a de Polignac number, because 274156869 - 2⁸ = 274156613 is a prime.

It is a super-2 number, since 2×274156869² = 150323977639766322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274156819) 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, 24589 + ... + 33954.

It is an arithmetic number, because the mean of its divisors is an integer number (26227712).

Almost surely, 2^274156869 is an apocalyptic number.

It is an amenable number.

274156869 is a deficient number, since it is larger than the sum of its proper divisors (145486523).

274156869 is a wasteful number, since it uses less digits than its factorization.

274156869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58776.

The product of its digits is 725760, while the sum is 48.

The square root of 274156869 is about 16557.6830806729. The cubic root of 274156869 is about 649.6304558208.

The spelling of 274156869 in words is "two hundred seventy-four million, one hundred fifty-six thousand, eight hundred sixty-nine".