274140394 has 16 divisors (see below), whose sum is σ = 459027360. Its totient is φ = 121710960.

The previous prime is 274140337. The next prime is 274140397. The reversal of 274140394 is 493041472.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (274140397) 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 7 ways as a sum of consecutive naturals, for example, 143949 + ... + 145840.

It is an arithmetic number, because the mean of its divisors is an integer number (28689210).

Almost surely, 2^274140394 is an apocalyptic number.

274140394 is a deficient number, since it is larger than the sum of its proper divisors (184886966).

274140394 is a wasteful number, since it uses less digits than its factorization.

274140394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289845.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 274140394 is about 16557.1855700176. The cubic root of 274140394 is about 649.6174427403.

The spelling of 274140394 in words is "two hundred seventy-four million, one hundred forty thousand, three hundred ninety-four".