274085137 has 2 divisors, whose sum is σ = 274085138. Its totient is φ = 274085136.

The previous prime is 274085131. The next prime is 274085179. The reversal of 274085137 is 731580472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187799616 + 86285521 = 13704^2 + 9289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274085137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274085096 and 274085105.

It is not a weakly prime, because it can be changed into another prime (274085131) by changing a digit.

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 as a sum of consecutive naturals, namely, 137042568 + 137042569.

It is an arithmetic number, because the mean of its divisors is an integer number (137042569).

Almost surely, 2^274085137 is an apocalyptic number.

It is an amenable number.

274085137 is a deficient number, since it is larger than the sum of its proper divisors (1).

274085137 is an equidigital number, since it uses as much as digits as its factorization.

274085137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 274085137 is about 16555.5168146452. The cubic root of 274085137 is about 649.5737931799.

The spelling of 274085137 in words is "two hundred seventy-four million, eighty-five thousand, one hundred thirty-seven".