140544829 has 2 divisors, whose sum is σ = 140544830. Its totient is φ = 140544828.

The previous prime is 140544799. The next prime is 140544863. The reversal of 140544829 is 928445041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105616729 + 34928100 = 10277^2 + 5910^2 .

It is a cyclic number.

It is not a de Polignac number, because 140544829 - 2⁹ = 140544317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140544869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70272414 + 70272415.

It is an arithmetic number, because the mean of its divisors is an integer number (70272415).

Almost surely, 2^140544829 is an apocalyptic number.

It is an amenable number.

140544829 is a deficient number, since it is larger than the sum of its proper divisors (1).

140544829 is an equidigital number, since it uses as much as digits as its factorization.

140544829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 140544829 is about 11855.1604375479. The cubic root of 140544829 is about 519.9221148143.

The spelling of 140544829 in words is "one hundred forty million, five hundred forty-four thousand, eight hundred twenty-nine".