13939500145 has 16 divisors (see below), whose sum is σ = 17284608000. Its totient is φ = 10780862400.

The previous prime is 13939500143. The next prime is 13939500163. The reversal of 13939500145 is 54100593931.

It is not a de Polignac number, because 13939500145 - 2¹ = 13939500143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13939500098 and 13939500107.

It is not an unprimeable number, because it can be changed into a prime (13939500143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108231 + ... + 198979.

It is an arithmetic number, because the mean of its divisors is an integer number (1080288000).

Almost surely, 2^13939500145 is an apocalyptic number.

It is an amenable number.

13939500145 is a deficient number, since it is larger than the sum of its proper divisors (3345107855).

13939500145 is an equidigital number, since it uses as much as digits as its factorization.

13939500145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91776.

The product of its (nonzero) digits is 72900, while the sum is 40.

The spelling of 13939500145 in words is "thirteen billion, nine hundred thirty-nine million, five hundred thousand, one hundred forty-five".