2136443005 has 8 divisors (see below), whose sum is σ = 2564286552. Its totient is φ = 1708784448.

The previous prime is 2136442981. The next prime is 2136443053. The reversal of 2136443005 is 5003446312.

It can be written as a sum of positive squares in 4 ways, for example, as 414773956 + 1721669049 = 20366^2 + 41493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2136443005 - 2⁷ = 2136442877 is a prime.

It is a super-2 number, since 2×2136443005² = 9128777427226860050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19422 + ... + 68191.

It is an arithmetic number, because the mean of its divisors is an integer number (320535819).

Almost surely, 2^2136443005 is an apocalyptic number.

It is an amenable number.

2136443005 is a deficient number, since it is larger than the sum of its proper divisors (427843547).

2136443005 is an equidigital number, since it uses as much as digits as its factorization.

2136443005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92495.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2136443005 is about 46221.6724600052. The cubic root of 2136443005 is about 1287.9443664244.

Adding to 2136443005 its reverse (5003446312), we get a palindrome (7139889317).

The spelling of 2136443005 in words is "two billion, one hundred thirty-six million, four hundred forty-three thousand, five".