274842142 has 16 divisors (see below), whose sum is σ = 425010240. Its totient is φ = 133200288.

The previous prime is 274842131. The next prime is 274842151. The reversal of 274842142 is 241248472.

It is a junction number, because it is equal to n+sod(n) for n = 274842098 and 274842107.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13003 + ... + 26809.

It is an arithmetic number, because the mean of its divisors is an integer number (26563140).

Almost surely, 2^274842142 is an apocalyptic number.

274842142 is a deficient number, since it is larger than the sum of its proper divisors (150168098).

274842142 is a wasteful number, since it uses less digits than its factorization.

274842142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14115.

The product of its digits is 28672, while the sum is 34.

The square root of 274842142 is about 16578.3636707608. The cubic root of 274842142 is about 650.1712700551.

The spelling of 274842142 in words is "two hundred seventy-four million, eight hundred forty-two thousand, one hundred forty-two".