42141739 has 2 divisors, whose sum is σ = 42141740. Its totient is φ = 42141738.

The previous prime is 42141733. The next prime is 42141769. The reversal of 42141739 is 93714124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42141739 - 2⁵ = 42141707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42141739.

It is not a weakly prime, because it can be changed into another prime (42141733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21070869 + 21070870.

It is an arithmetic number, because the mean of its divisors is an integer number (21070870).

Almost surely, 2^42141739 is an apocalyptic number.

42141739 is a deficient number, since it is larger than the sum of its proper divisors (1).

42141739 is an equidigital number, since it uses as much as digits as its factorization.

42141739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 42141739 is about 6491.6668891742. Note that the first 3 decimals coincide. The cubic root of 42141739 is about 347.9932480964.

The spelling of 42141739 in words is "forty-two million, one hundred forty-one thousand, seven hundred thirty-nine".