2136893907 has 4 divisors (see below), whose sum is σ = 2849191880. Its totient is φ = 1424595936.

The previous prime is 2136893861. The next prime is 2136893911. The reversal of 2136893907 is 7093986312.

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

It is not a de Polignac number, because 2136893907 - 2¹¹ = 2136891859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136893917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356148982 + ... + 356148987.

It is an arithmetic number, because the mean of its divisors is an integer number (712297970).

Almost surely, 2^2136893907 is an apocalyptic number.

2136893907 is a deficient number, since it is larger than the sum of its proper divisors (712297973).

2136893907 is an equidigital number, since it uses as much as digits as its factorization.

2136893907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712297972.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 2136893907 is about 46226.5498063613. The cubic root of 2136893907 is about 1288.0349680831.

The spelling of 2136893907 in words is "two billion, one hundred thirty-six million, eight hundred ninety-three thousand, nine hundred seven".