2436139389 has 8 divisors (see below), whose sum is σ = 3439255680. Its totient is φ = 1528558016.

The previous prime is 2436139373. The next prime is 2436139411. The reversal of 2436139389 is 9839316342.

It is a happy number.

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 2436139389 - 2⁴ = 2436139373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2436139339) 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, 23883669 + ... + 23883770.

It is an arithmetic number, because the mean of its divisors is an integer number (429906960).

Almost surely, 2^2436139389 is an apocalyptic number.

It is an amenable number.

2436139389 is a deficient number, since it is larger than the sum of its proper divisors (1003116291).

2436139389 is a wasteful number, since it uses less digits than its factorization.

2436139389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47767459.

The product of its digits is 839808, while the sum is 48.

The square root of 2436139389 is about 49357.2627786428. The cubic root of 2436139389 is about 1345.5526975841.

It can be divided in two parts, 2436139 and 389, that added together give a triangular number (2436528 = T₂₂₀₇).

The spelling of 2436139389 in words is "two billion, four hundred thirty-six million, one hundred thirty-nine thousand, three hundred eighty-nine".