140434571 has 2 divisors, whose sum is σ = 140434572. Its totient is φ = 140434570.

The previous prime is 140434549. The next prime is 140434579. The reversal of 140434571 is 175434041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140434571 - 2⁶ = 140434507 is a prime.

It is not a weakly prime, because it can be changed into another prime (140434579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70217285 + 70217286.

It is an arithmetic number, because the mean of its divisors is an integer number (70217286).

Almost surely, 2^140434571 is an apocalyptic number.

140434571 is a deficient number, since it is larger than the sum of its proper divisors (1).

140434571 is an equidigital number, since it uses as much as digits as its factorization.

140434571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 140434571 is about 11850.5093139493. The cubic root of 140434571 is about 519.7861188947.

The spelling of 140434571 in words is "one hundred forty million, four hundred thirty-four thousand, five hundred seventy-one".