2139295090 has 16 divisors (see below), whose sum is σ = 4018154688. Its totient is φ = 818512816.

The previous prime is 2139295087. The next prime is 2139295121. The reversal of 2139295090 is 905929312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4650412 + ... + 4650871.

It is an arithmetic number, because the mean of its divisors is an integer number (251134668).

Almost surely, 2^2139295090 is an apocalyptic number.

2139295090 is a deficient number, since it is larger than the sum of its proper divisors (1878859598).

2139295090 is a wasteful number, since it uses less digits than its factorization.

2139295090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301313.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 2139295090 is about 46252.5144181373. The cubic root of 2139295090 is about 1288.5172334778.

The spelling of 2139295090 in words is "two billion, one hundred thirty-nine million, two hundred ninety-five thousand, ninety".