276140149 has 2 divisors, whose sum is σ = 276140150. Its totient is φ = 276140148.

The previous prime is 276140089. The next prime is 276140173. The reversal of 276140149 is 941041672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270767025 + 5373124 = 16455^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 276140149 - 2¹³ = 276131957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276140749) 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 as a sum of consecutive naturals, namely, 138070074 + 138070075.

It is an arithmetic number, because the mean of its divisors is an integer number (138070075).

Almost surely, 2^276140149 is an apocalyptic number.

It is an amenable number.

276140149 is a deficient number, since it is larger than the sum of its proper divisors (1).

276140149 is an equidigital number, since it uses as much as digits as its factorization.

276140149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 276140149 is about 16617.4651797439. The cubic root of 276140149 is about 651.1931921669.

The spelling of 276140149 in words is "two hundred seventy-six million, one hundred forty thousand, one hundred forty-nine".