2340136829 has 4 divisors (see below), whose sum is σ = 2340419484. Its totient is φ = 2339854176.

The previous prime is 2340136823. The next prime is 2340136849. The reversal of 2340136829 is 9286310432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1996034329 + 344102500 = 44677^2 + 18550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2340136829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2340136792 and 2340136801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340136823) 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, 128522 + ... + 145595.

It is an arithmetic number, because the mean of its divisors is an integer number (585104871).

Almost surely, 2^2340136829 is an apocalyptic number.

It is an amenable number.

2340136829 is a deficient number, since it is larger than the sum of its proper divisors (282655).

2340136829 is an equidigital number, since it uses as much as digits as its factorization.

2340136829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282654.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 2340136829 is about 48374.9607648420. The cubic root of 2340136829 is about 1327.6402707019.

The spelling of 2340136829 in words is "two billion, three hundred forty million, one hundred thirty-six thousand, eight hundred twenty-nine".