276140636 has 12 divisors (see below), whose sum is σ = 484396920. Its totient is φ = 137741520.

The previous prime is 276140633. The next prime is 276140647. The reversal of 276140636 is 636041672.

It is a junction number, because it is equal to n+sod(n) for n = 276140596 and 276140605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276140633) 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 in 3 ways as a sum of consecutive naturals, for example, 80306 + ... + 83673.

It is an arithmetic number, because the mean of its divisors is an integer number (40366410).

Almost surely, 2^276140636 is an apocalyptic number.

It is an amenable number.

276140636 is a deficient number, since it is larger than the sum of its proper divisors (208256284).

276140636 is a wasteful number, since it uses less digits than its factorization.

276140636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164404 (or 164402 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 276140636 is about 16617.4798329951. The cubic root of 276140636 is about 651.1935749808.

The spelling of 276140636 in words is "two hundred seventy-six million, one hundred forty thousand, six hundred thirty-six".