2136752129 has 4 divisors (see below), whose sum is σ = 2136873684. Its totient is φ = 2136630576.

The previous prime is 2136752119. The next prime is 2136752203. The reversal of 2136752129 is 9212576312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1361241025 + 775511104 = 36895^2 + 27848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136752129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2136752092 and 2136752101.

It is not an unprimeable number, because it can be changed into a prime (2136752119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28802 + ... + 71435.

It is an arithmetic number, because the mean of its divisors is an integer number (534218421).

Almost surely, 2^2136752129 is an apocalyptic number.

It is an amenable number.

2136752129 is a deficient number, since it is larger than the sum of its proper divisors (121555).

2136752129 is a wasteful number, since it uses less digits than its factorization.

2136752129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121554.

The product of its digits is 45360, while the sum is 38.

The square root of 2136752129 is about 46225.0162682502. The cubic root of 2136752129 is about 1288.0064813997.

The spelling of 2136752129 in words is "two billion, one hundred thirty-six million, seven hundred fifty-two thousand, one hundred twenty-nine".