2136751642 has 4 divisors (see below), whose sum is σ = 3205127466. Its totient is φ = 1068375820.

The previous prime is 2136751627. The next prime is 2136751679. The reversal of 2136751642 is 2461576312.

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., 1070663841 + 1066087801 = 32721^2 + 32651^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534187909 + ... + 534187912.

Almost surely, 2^2136751642 is an apocalyptic number.

2136751642 is a deficient number, since it is larger than the sum of its proper divisors (1068375824).

2136751642 is a wasteful number, since it uses less digits than its factorization.

2136751642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068375823.

The product of its digits is 60480, while the sum is 37.

The square root of 2136751642 is about 46225.0110005395. The cubic root of 2136751642 is about 1288.0063835473.

The spelling of 2136751642 in words is "two billion, one hundred thirty-six million, seven hundred fifty-one thousand, six hundred forty-two".