42136763 has 2 divisors, whose sum is σ = 42136764. Its totient is φ = 42136762.

The previous prime is 42136741. The next prime is 42136789. The reversal of 42136763 is 36763124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42136763 - 2¹⁸ = 41874619 is a prime.

It is a super-2 number, since 2×42136763² = 3551013592236338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42136723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21068381 + 21068382.

It is an arithmetic number, because the mean of its divisors is an integer number (21068382).

Almost surely, 2^42136763 is an apocalyptic number.

42136763 is a deficient number, since it is larger than the sum of its proper divisors (1).

42136763 is an equidigital number, since it uses as much as digits as its factorization.

42136763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 42136763 is about 6491.2836172825. The cubic root of 42136763 is about 347.9795508088.

Adding to 42136763 its reverse (36763124), we get a palindrome (78899887).

The spelling of 42136763 in words is "forty-two million, one hundred thirty-six thousand, seven hundred sixty-three".