39549103139 has 8 divisors (see below), whose sum is σ = 48675819360. Its totient is φ = 31291598016.

The previous prime is 39549103067. The next prime is 39549103157. The reversal of 39549103139 is 93130194593.

It is a happy number.

39549103139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39549103139 - 2¹² = 39549099043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39549103093 and 39549103102.

It is not an unprimeable number, because it can be changed into a prime (39549103189) 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, 217302674 + ... + 217302855.

It is an arithmetic number, because the mean of its divisors is an integer number (6084477420).

Almost surely, 2^39549103139 is an apocalyptic number.

39549103139 is a deficient number, since it is larger than the sum of its proper divisors (9126716221).

39549103139 is a wasteful number, since it uses less digits than its factorization.

39549103139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434605549.

The product of its (nonzero) digits is 393660, while the sum is 47.

The spelling of 39549103139 in words is "thirty-nine billion, five hundred forty-nine million, one hundred three thousand, one hundred thirty-nine".