42001420134307 has 2 divisors, whose sum is σ = 42001420134308. Its totient is φ = 42001420134306.

The previous prime is 42001420134287. The next prime is 42001420134397. The reversal of 42001420134307 is 70343102410024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42001420134307 is a prime.

It is not a weakly prime, because it can be changed into another prime (42001420134397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21000710067153 + 21000710067154.

It is an arithmetic number, because the mean of its divisors is an integer number (21000710067154).

Almost surely, 2^{42001420134307} is an apocalyptic number.

42001420134307 is a deficient number, since it is larger than the sum of its proper divisors (1).

42001420134307 is an equidigital number, since it uses as much as digits as its factorization.

42001420134307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 42001420134307 in words is "forty-two trillion, one billion, four hundred twenty million, one hundred thirty-four thousand, three hundred seven".