139798345259 has 4 divisors (see below), whose sum is σ = 140303032704. Its totient is φ = 139293657816.

The previous prime is 139798345177. The next prime is 139798345303. The reversal of 139798345259 is 952543897931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139798345259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139798345195 and 139798345204.

It is not an unprimeable number, because it can be changed into a prime (139798342259) 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, 252343307 + ... + 252343860.

It is an arithmetic number, because the mean of its divisors is an integer number (35075758176).

Almost surely, 2^139798345259 is an apocalyptic number.

139798345259 is a deficient number, since it is larger than the sum of its proper divisors (504687445).

139798345259 is an equidigital number, since it uses as much as digits as its factorization.

139798345259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504687444.

The product of its digits is 73483200, while the sum is 65.

The spelling of 139798345259 in words is "one hundred thirty-nine billion, seven hundred ninety-eight million, three hundred forty-five thousand, two hundred fifty-nine".