276084138 has 32 divisors (see below), whose sum is σ = 607907520. Its totient is φ = 82892160.

The previous prime is 276084113. The next prime is 276084143. The reversal of 276084138 is 831480672.

It is a junction number, because it is equal to n+sod(n) for n = 276084096 and 276084105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11995 + ... + 26382.

It is an arithmetic number, because the mean of its divisors is an integer number (18997110).

Almost surely, 2^276084138 is an apocalyptic number.

276084138 is an abundant number, since it is smaller than the sum of its proper divisors (331823382).

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

276084138 is a wasteful number, since it uses less digits than its factorization.

276084138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38502.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 276084138 is about 16615.7797891041. The cubic root of 276084138 is about 651.1491608439.

The spelling of 276084138 in words is "two hundred seventy-six million, eighty-four thousand, one hundred thirty-eight".