276131142 has 48 divisors (see below), whose sum is σ = 719746560. Its totient is φ = 74741616.

The previous prime is 276131099. The next prime is 276131171. The reversal of 276131142 is 241131672.

276131142 is a `hidden beast` number, since 2 + 7 + 613 + 1 + 1 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55278 + ... + 60065.

It is an arithmetic number, because the mean of its divisors is an integer number (14994720).

Almost surely, 2^276131142 is an apocalyptic number.

276131142 is an abundant number, since it is smaller than the sum of its proper divisors (443615418).

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

276131142 is a wasteful number, since it uses less digits than its factorization.

276131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115377 (or 115374 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 276131142 is about 16617.1941674881. The cubic root of 276131142 is about 651.1861119930.

The spelling of 276131142 in words is "two hundred seventy-six million, one hundred thirty-one thousand, one hundred forty-two".