2109136783 has 8 divisors (see below), whose sum is σ = 2287959408. Its totient is φ = 1932682944.

The previous prime is 2109136769. The next prime is 2109136787. The reversal of 2109136783 is 3876319012.

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 2109136783 - 2¹³ = 2109128591 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 (2109136787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590341 + ... + 593902.

It is an arithmetic number, because the mean of its divisors is an integer number (285994926).

Almost surely, 2^2109136783 is an apocalyptic number.

2109136783 is a deficient number, since it is larger than the sum of its proper divisors (178822625).

2109136783 is a wasteful number, since it uses less digits than its factorization.

2109136783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184393.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2109136783 is about 45925.3392257477. The cubic root of 2109136783 is about 1282.4336802238.

The spelling of 2109136783 in words is "two billion, one hundred nine million, one hundred thirty-six thousand, seven hundred eighty-three".