140434319 has 2 divisors, whose sum is σ = 140434320. Its totient is φ = 140434318.

The previous prime is 140434289. The next prime is 140434367. The reversal of 140434319 is 913434041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140434319 is a prime.

It is a super-2 number, since 2×140434319² = 39443595905987522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140434291 and 140434300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140484319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70217159 + 70217160.

It is an arithmetic number, because the mean of its divisors is an integer number (70217160).

Almost surely, 2^140434319 is an apocalyptic number.

140434319 is a deficient number, since it is larger than the sum of its proper divisors (1).

140434319 is an equidigital number, since it uses as much as digits as its factorization.

140434319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 140434319 is about 11850.4986814902. The cubic root of 140434319 is about 519.7858079879.

The spelling of 140434319 in words is "one hundred forty million, four hundred thirty-four thousand, three hundred nineteen".