63486139 has 2 divisors, whose sum is σ = 63486140. Its totient is φ = 63486138.

The previous prime is 63486107. The next prime is 63486149. The reversal of 63486139 is 93168436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63486139 - 2⁵ = 63486107 is a prime.

It is not a weakly prime, because it can be changed into another prime (63486149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31743069 + 31743070.

It is an arithmetic number, because the mean of its divisors is an integer number (31743070).

Almost surely, 2^63486139 is an apocalyptic number.

63486139 is a deficient number, since it is larger than the sum of its proper divisors (1).

63486139 is an equidigital number, since it uses as much as digits as its factorization.

63486139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 63486139 is about 7967.8189612967. The cubic root of 63486139 is about 398.9265782411.

The spelling of 63486139 in words is "sixty-three million, four hundred eighty-six thousand, one hundred thirty-nine".