276241139 has 4 divisors (see below), whose sum is σ = 276393840. Its totient is φ = 276088440.

The previous prime is 276241099. The next prime is 276241157. The reversal of 276241139 is 931142672.

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 276241139 - 2⁸ = 276240883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276241099 and 276241108.

It is not an unprimeable number, because it can be changed into a prime (276241169) 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, 73604 + ... + 77265.

It is an arithmetic number, because the mean of its divisors is an integer number (69098460).

Almost surely, 2^276241139 is an apocalyptic number.

276241139 is a deficient number, since it is larger than the sum of its proper divisors (152701).

276241139 is a wasteful number, since it uses less digits than its factorization.

276241139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152700.

The product of its digits is 18144, while the sum is 35.

The square root of 276241139 is about 16620.5035723952. The cubic root of 276241139 is about 651.2725673021.

The spelling of 276241139 in words is "two hundred seventy-six million, two hundred forty-one thousand, one hundred thirty-nine".