276134540 has 24 divisors (see below), whose sum is σ = 632599632. Its totient is φ = 100412480.

The previous prime is 276134533. The next prime is 276134561. The reversal of 276134540 is 45431672.

It is a junction number, because it is equal to n+sod(n) for n = 276134497 and 276134506.

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, 627359 + ... + 627798.

It is an arithmetic number, because the mean of its divisors is an integer number (26358318).

Almost surely, 2^276134540 is an apocalyptic number.

276134540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276134540 is an abundant number, since it is smaller than the sum of its proper divisors (356465092).

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

276134540 is a wasteful number, since it uses less digits than its factorization.

276134540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255177 (or 1255175 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 276134540 is about 16617.2964106680. The cubic root of 276134540 is about 651.1887830925.

The spelling of 276134540 in words is "two hundred seventy-six million, one hundred thirty-four thousand, five hundred forty".