103149687139 has 2 divisors, whose sum is σ = 103149687140. Its totient is φ = 103149687138.

The previous prime is 103149687133. The next prime is 103149687211. The reversal of 103149687139 is 931786941301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103149687139 - 2¹⁵ = 103149654371 is a prime.

It is not a weakly prime, because it can be changed into another prime (103149687133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51574843569 + 51574843570.

It is an arithmetic number, because the mean of its divisors is an integer number (51574843570).

Almost surely, 2^103149687139 is an apocalyptic number.

103149687139 is a deficient number, since it is larger than the sum of its proper divisors (1).

103149687139 is an equidigital number, since it uses as much as digits as its factorization.

103149687139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 103149687139 in words is "one hundred three billion, one hundred forty-nine million, six hundred eighty-seven thousand, one hundred thirty-nine".