276138481330 has 16 divisors (see below), whose sum is σ = 497178005184. Its totient is φ = 110426783920.

The previous prime is 276138481319. The next prime is 276138481331. The reversal of 276138481330 is 33184831672.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (276138481331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535516 + ... + 3612775.

It is an arithmetic number, because the mean of its divisors is an integer number (31073625324).

Almost surely, 2^276138481330 is an apocalyptic number.

276138481330 is a deficient number, since it is larger than the sum of its proper divisors (221039523854).

276138481330 is a wasteful number, since it uses less digits than its factorization.

276138481330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152161.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 276138481330 in words is "two hundred seventy-six billion, one hundred thirty-eight million, four hundred eighty-one thousand, three hundred thirty".