276500139 has 4 divisors (see below), whose sum is σ = 368666856. Its totient is φ = 184333424.

The previous prime is 276500117. The next prime is 276500143. The reversal of 276500139 is 931005672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 276500139 - 2¹² = 276496043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (276504139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46083354 + ... + 46083359.

It is an arithmetic number, because the mean of its divisors is an integer number (92166714).

Almost surely, 2^276500139 is an apocalyptic number.

276500139 is a deficient number, since it is larger than the sum of its proper divisors (92166717).

276500139 is an equidigital number, since it uses as much as digits as its factorization.

276500139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92166716.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 276500139 is about 16628.2933279396. The cubic root of 276500139 is about 651.4760452076.

The spelling of 276500139 in words is "two hundred seventy-six million, five hundred thousand, one hundred thirty-nine".