18760139 has 2 divisors, whose sum is σ = 18760140. Its totient is φ = 18760138.

The previous prime is 18760127. The next prime is 18760151. The reversal of 18760139 is 93106781.

It is a balanced prime because it is at equal distance from previous prime (18760127) and next prime (18760151).

It is an emirp because it is prime and its reverse (93106781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18760139 - 2⁸ = 18759883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18760099 and 18760108.

It is not a weakly prime, because it can be changed into another prime (18760439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9380069 + 9380070.

It is an arithmetic number, because the mean of its divisors is an integer number (9380070).

Almost surely, 2^18760139 is an apocalyptic number.

18760139 is a deficient number, since it is larger than the sum of its proper divisors (1).

18760139 is an equidigital number, since it uses as much as digits as its factorization.

18760139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 18760139 is about 4331.2976115709. The cubic root of 18760139 is about 265.7125194235.

The spelling of 18760139 in words is "eighteen million, seven hundred sixty thousand, one hundred thirty-nine".