2766650139 has 12 divisors (see below), whose sum is σ = 4359570072. Its totient is φ = 1676757600.

The previous prime is 2766650137. The next prime is 2766650147. The reversal of 2766650139 is 9310566672.

It is not a de Polignac number, because 2766650139 - 2¹ = 2766650137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2766650094 and 2766650103.

It is not an unprimeable number, because it can be changed into a prime (2766650137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13972882 + ... + 13973079.

It is an arithmetic number, because the mean of its divisors is an integer number (363297506).

Almost surely, 2^2766650139 is an apocalyptic number.

2766650139 is a deficient number, since it is larger than the sum of its proper divisors (1592919933).

2766650139 is a wasteful number, since it uses less digits than its factorization.

2766650139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27945978 (or 27945975 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 2766650139 is about 52598.9556835495. The cubic root of 2766650139 is about 1403.8415139365.

The spelling of 2766650139 in words is "two billion, seven hundred sixty-six million, six hundred fifty thousand, one hundred thirty-nine".