274085131 has 2 divisors, whose sum is σ = 274085132. Its totient is φ = 274085130.

The previous prime is 274085117. The next prime is 274085137. The reversal of 274085131 is 131580472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274085131 - 2¹⁷ = 273954059 is a prime.

It is a super-2 number, since 2×274085131² = 150245318070574322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 274085093 and 274085102.

It is not a weakly prime, because it can be changed into another prime (274085137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137042565 + 137042566.

It is an arithmetic number, because the mean of its divisors is an integer number (137042566).

Almost surely, 2^274085131 is an apocalyptic number.

274085131 is a deficient number, since it is larger than the sum of its proper divisors (1).

274085131 is an equidigital number, since it uses as much as digits as its factorization.

274085131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 274085131 is about 16555.5166334367. The cubic root of 274085131 is about 649.5737884400.

The spelling of 274085131 in words is "two hundred seventy-four million, eighty-five thousand, one hundred thirty-one".