140829407 has 2 divisors, whose sum is σ = 140829408. Its totient is φ = 140829406.

The previous prime is 140829397. The next prime is 140829421. The reversal of 140829407 is 704928041.

It is a weak prime.

It is an emirp because it is prime and its reverse (704928041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140829407 - 2⁸ = 140829151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140829487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70414703 + 70414704.

It is an arithmetic number, because the mean of its divisors is an integer number (70414704).

Almost surely, 2^140829407 is an apocalyptic number.

140829407 is a deficient number, since it is larger than the sum of its proper divisors (1).

140829407 is an equidigital number, since it uses as much as digits as its factorization.

140829407 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 35.

The square root of 140829407 is about 11867.1566518691. The cubic root of 140829407 is about 520.2727944890.

The spelling of 140829407 in words is "one hundred forty million, eight hundred twenty-nine thousand, four hundred seven".