2126129146 has 16 divisors (see below), whose sum is σ = 3360002400. Its totient is φ = 1006226928.

The previous prime is 2126129143. The next prime is 2126129179. The reversal of 2126129146 is 6419216212.

It is not an unprimeable number, because it can be changed into a prime (2126129143) 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, 20140 + ... + 68248.

It is an arithmetic number, because the mean of its divisors is an integer number (210000150).

Almost surely, 2^2126129146 is an apocalyptic number.

2126129146 is a deficient number, since it is larger than the sum of its proper divisors (1233873254).

2126129146 is a wasteful number, since it uses less digits than its factorization.

2126129146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49293.

The product of its digits is 10368, while the sum is 34.

The square root of 2126129146 is about 46109.9679678917. The cubic root of 2126129146 is about 1285.8684689158.

The spelling of 2126129146 in words is "two billion, one hundred twenty-six million, one hundred twenty-nine thousand, one hundred forty-six".