42140419 has 2 divisors, whose sum is σ = 42140420. Its totient is φ = 42140418.

The previous prime is 42140411. The next prime is 42140443. The reversal of 42140419 is 91404124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42140419 - 2³ = 42140411 is a prime.

It is a super-2 number, since 2×42140419² = 3551629826991122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42140393 and 42140402.

It is not a weakly prime, because it can be changed into another prime (42140411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21070209 + 21070210.

It is an arithmetic number, because the mean of its divisors is an integer number (21070210).

Almost surely, 2^42140419 is an apocalyptic number.

42140419 is a deficient number, since it is larger than the sum of its proper divisors (1).

42140419 is an equidigital number, since it uses as much as digits as its factorization.

42140419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 42140419 is about 6491.5652195753. The cubic root of 42140419 is about 347.9896146766.

The spelling of 42140419 in words is "forty-two million, one hundred forty thousand, four hundred nineteen".