3139138387049 has 32 divisors (see below), whose sum is σ = 3743000303616. Its totient is φ = 2577399834240.

The previous prime is 3139138387037. The next prime is 3139138387067. The reversal of 3139138387049 is 9407838319313.

It is not a de Polignac number, because 3139138387049 - 2¹² = 3139138382953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3139138387069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1785134 + ... + 3076520.

It is an arithmetic number, because the mean of its divisors is an integer number (116968759488).

Almost surely, 2^{3139138387049} is an apocalyptic number.

It is an amenable number.

3139138387049 is a deficient number, since it is larger than the sum of its proper divisors (603861916567).

3139138387049 is a wasteful number, since it uses less digits than its factorization.

3139138387049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291605.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 3139138387049 in words is "three trillion, one hundred thirty-nine billion, one hundred thirty-eight million, three hundred eighty-seven thousand, forty-nine".