2149134766 has 16 divisors (see below), whose sum is σ = 3365236224. Its totient is φ = 1027427544.

The previous prime is 2149134731. The next prime is 2149134769. The reversal of 2149134766 is 6674319412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149134769) 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, 124711 + ... + 140893.

It is an arithmetic number, because the mean of its divisors is an integer number (210327264).

Almost surely, 2^2149134766 is an apocalyptic number.

2149134766 is a deficient number, since it is larger than the sum of its proper divisors (1216101458).

2149134766 is a wasteful number, since it uses less digits than its factorization.

2149134766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19095.

The product of its digits is 217728, while the sum is 43.

The square root of 2149134766 is about 46358.7614804365. The cubic root of 2149134766 is about 1290.4897217216.

The spelling of 2149134766 in words is "two billion, one hundred forty-nine million, one hundred thirty-four thousand, seven hundred sixty-six".