2139224026 has 4 divisors (see below), whose sum is σ = 3208836042. Its totient is φ = 1069612012.

The previous prime is 2139223993. The next prime is 2139224033. The reversal of 2139224026 is 6204229312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1768623025 + 370601001 = 42055^2 + 19251^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534806005 + ... + 534806008.

Almost surely, 2^2139224026 is an apocalyptic number.

2139224026 is a deficient number, since it is larger than the sum of its proper divisors (1069612016).

2139224026 is a wasteful number, since it uses less digits than its factorization.

2139224026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069612015.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2139224026 is about 46251.7461940628. The cubic root of 2139224026 is about 1288.5029658182.

The spelling of 2139224026 in words is "two billion, one hundred thirty-nine million, two hundred twenty-four thousand, twenty-six".