2136193761 has 8 divisors (see below), whose sum is σ = 3067355200. Its totient is φ = 1314580752.

The previous prime is 2136193739. The next prime is 2136193789. The reversal of 2136193761 is 1673916312.

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

It is not a de Polignac number, because 2136193761 - 2¹⁷ = 2136062689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 54774199 = 2136193761 / (2 + 1 + 3 + 6 + 1 + 9 + 3 + 7 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (2136693761) 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, 27387061 + ... + 27387138.

It is an arithmetic number, because the mean of its divisors is an integer number (383419400).

Almost surely, 2^2136193761 is an apocalyptic number.

It is an amenable number.

2136193761 is a deficient number, since it is larger than the sum of its proper divisors (931161439).

2136193761 is a wasteful number, since it uses less digits than its factorization.

2136193761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54774215.

The product of its digits is 40824, while the sum is 39.

The square root of 2136193761 is about 46218.9762002578. The cubic root of 2136193761 is about 1287.8942792953.

The spelling of 2136193761 in words is "two billion, one hundred thirty-six million, one hundred ninety-three thousand, seven hundred sixty-one".