276421132 has 36 divisors (see below), whose sum is σ = 525537936. Its totient is φ = 127158720.

The previous prime is 276421111. The next prime is 276421169. The reversal of 276421132 is 231124672.

It is a super-2 number, since 2×276421132² = 152817284432322848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 276421132.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 311193 + ... + 312079.

It is an arithmetic number, because the mean of its divisors is an integer number (14598276).

Almost surely, 2^276421132 is an apocalyptic number.

It is an amenable number.

276421132 is a deficient number, since it is larger than the sum of its proper divisors (249116804).

276421132 is a wasteful number, since it uses less digits than its factorization.

276421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1363 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 276421132 is about 16625.9174784431. The cubic root of 276421132 is about 651.4139884925.

The spelling of 276421132 in words is "two hundred seventy-six million, four hundred twenty-one thousand, one hundred thirty-two".