2142807266 has 16 divisors (see below), whose sum is σ = 3263893920. Its totient is φ = 1054859520.

The previous prime is 2142807263. The next prime is 2142807269. The reversal of 2142807266 is 6627082412.

It is an interprime number because it is at equal distance from previous prime (2142807263) and next prime (2142807269).

It is not an unprimeable number, because it can be changed into a prime (2142807263) 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, 391106 + ... + 396546.

It is an arithmetic number, because the mean of its divisors is an integer number (203993370).

Almost surely, 2^2142807266 is an apocalyptic number.

2142807266 is a deficient number, since it is larger than the sum of its proper divisors (1121086654).

2142807266 is a wasteful number, since it uses less digits than its factorization.

2142807266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2142807266 is about 46290.4662538627. The cubic root of 2142807266 is about 1289.2219866477.

Adding to 2142807266 its reverse (6627082412), we get a palindrome (8769889678).

The spelling of 2142807266 in words is "two billion, one hundred forty-two million, eight hundred seven thousand, two hundred sixty-six".