63042139 has 2 divisors, whose sum is σ = 63042140. Its totient is φ = 63042138.

The previous prime is 63042121. The next prime is 63042151. The reversal of 63042139 is 93124036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63042139 - 2¹³ = 63033947 is a prime.

It is a super-2 number, since 2×63042139² = 7948622579390642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63042169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31521069 + 31521070.

It is an arithmetic number, because the mean of its divisors is an integer number (31521070).

Almost surely, 2^63042139 is an apocalyptic number.

63042139 is a deficient number, since it is larger than the sum of its proper divisors (1).

63042139 is an equidigital number, since it uses as much as digits as its factorization.

63042139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 63042139 is about 7939.9079969481. The cubic root of 63042139 is about 397.9944171502.

The spelling of 63042139 in words is "sixty-three million, forty-two thousand, one hundred thirty-nine".