2136244847 has 8 divisors (see below), whose sum is σ = 2332748160. Its totient is φ = 1940124760.

The previous prime is 2136244829. The next prime is 2136244861. The reversal of 2136244847 is 7484426312.

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 2136244847 - 2⁶ = 2136244783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136244897) 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, 84083 + ... + 106500.

It is an arithmetic number, because the mean of its divisors is an integer number (291593520).

Almost surely, 2^2136244847 is an apocalyptic number.

2136244847 is a deficient number, since it is larger than the sum of its proper divisors (196503313).

2136244847 is a wasteful number, since it uses less digits than its factorization.

2136244847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191613.

The product of its digits is 258048, while the sum is 41.

The square root of 2136244847 is about 46219.5288487453. The cubic root of 2136244847 is about 1287.9045456616.

The spelling of 2136244847 in words is "two billion, one hundred thirty-six million, two hundred forty-four thousand, eight hundred forty-seven".