274128542 has 16 divisors (see below), whose sum is σ = 443394000. Its totient is φ = 126682560.

The previous prime is 274128541. The next prime is 274128551. The reversal of 274128542 is 245821472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274128541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86417 + ... + 89532.

It is an arithmetic number, because the mean of its divisors is an integer number (27712125).

Almost surely, 2^274128542 is an apocalyptic number.

274128542 is a deficient number, since it is larger than the sum of its proper divisors (169265458).

274128542 is a wasteful number, since it uses less digits than its factorization.

274128542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176011.

The product of its digits is 35840, while the sum is 35.

The square root of 274128542 is about 16556.8276550793. The cubic root of 274128542 is about 649.6080808987.

The spelling of 274128542 in words is "two hundred seventy-four million, one hundred twenty-eight thousand, five hundred forty-two".