276945136 has 40 divisors (see below), whose sum is σ = 579025440. Its totient is φ = 127562496.

The previous prime is 276945133. The next prime is 276945169. The reversal of 276945136 is 631549672.

It is a junction number, because it is equal to n+sod(n) for n = 276945092 and 276945101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276945133) 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 in 7 ways as a sum of consecutive naturals, for example, 134805 + ... + 136843.

It is an arithmetic number, because the mean of its divisors is an integer number (14475636).

Almost surely, 2^276945136 is an apocalyptic number.

276945136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

276945136 is an abundant number, since it is smaller than the sum of its proper divisors (302080304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276945136 is a wasteful number, since it uses less digits than its factorization.

276945136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713 (or 2707 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 276945136 is about 16641.6686663327. The cubic root of 276945136 is about 651.8253512419.

The spelling of 276945136 in words is "two hundred seventy-six million, nine hundred forty-five thousand, one hundred thirty-six".