276561132 has 24 divisors (see below), whose sum is σ = 645624000. Its totient is φ = 92142096.

The previous prime is 276561127. The next prime is 276561149. The reversal of 276561132 is 231165672.

It is a junction number, because it is equal to n+sod(n) for n = 276561093 and 276561102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28119 + ... + 36657.

It is an arithmetic number, because the mean of its divisors is an integer number (26901000).

Almost surely, 2^276561132 is an apocalyptic number.

It is an amenable number.

276561132 is an abundant number, since it is smaller than the sum of its proper divisors (369062868).

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

276561132 is a wasteful number, since it uses less digits than its factorization.

276561132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245 (or 11243 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 276561132 is about 16630.1272394411. The cubic root of 276561132 is about 651.5239445893.

The spelling of 276561132 in words is "two hundred seventy-six million, five hundred sixty-one thousand, one hundred thirty-two".