274156641 has 12 divisors (see below), whose sum is σ = 432004560. Its totient is φ = 166155480.

The previous prime is 274156639. The next prime is 274156699. The reversal of 274156641 is 146651472.

274156641 is a `hidden beast` number, since 2 + 7 + 4 + 1 + 5 + 6 + 641 = 666.

It is not a de Polignac number, because 274156641 - 2¹ = 274156639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274156596 and 274156605.

It is not an unprimeable number, because it can be changed into a prime (274556641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1384531 + ... + 1384728.

It is an arithmetic number, because the mean of its divisors is an integer number (36000380).

Almost surely, 2^274156641 is an apocalyptic number.

It is an amenable number.

274156641 is a deficient number, since it is larger than the sum of its proper divisors (157847919).

274156641 is a wasteful number, since it uses less digits than its factorization.

274156641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769276 (or 2769273 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 274156641 is about 16557.6761956502. The cubic root of 274156641 is about 649.6302757343.

The spelling of 274156641 in words is "two hundred seventy-four million, one hundred fifty-six thousand, six hundred forty-one".