2136651919 has 8 divisors (see below), whose sum is σ = 2294202528. Its totient is φ = 1982641920.

The previous prime is 2136651917. The next prime is 2136651929. The reversal of 2136651919 is 9191566312.

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 2136651919 - 2¹ = 2136651917 is a prime.

It is a super-2 number, since 2×2136651919² = 9130562845932765122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136651917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883902 + ... + 886315.

It is an arithmetic number, because the mean of its divisors is an integer number (286775316).

Almost surely, 2^2136651919 is an apocalyptic number.

2136651919 is a deficient number, since it is larger than the sum of its proper divisors (157550609).

2136651919 is a wasteful number, since it uses less digits than its factorization.

2136651919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770305.

The product of its digits is 87480, while the sum is 43.

The square root of 2136651919 is about 46223.9323186593. The cubic root of 2136651919 is about 1287.9863459887.

The spelling of 2136651919 in words is "two billion, one hundred thirty-six million, six hundred fifty-one thousand, nine hundred nineteen".