140870459 has 2 divisors, whose sum is σ = 140870460. Its totient is φ = 140870458.

The previous prime is 140870453. The next prime is 140870473. The reversal of 140870459 is 954078041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140870459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140870453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70435229 + 70435230.

It is an arithmetic number, because the mean of its divisors is an integer number (70435230).

Almost surely, 2^140870459 is an apocalyptic number.

140870459 is a deficient number, since it is larger than the sum of its proper divisors (1).

140870459 is an equidigital number, since it uses as much as digits as its factorization.

140870459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 140870459 is about 11868.8861735211. The cubic root of 140870459 is about 520.3233430314.

The spelling of 140870459 in words is "one hundred forty million, eight hundred seventy thousand, four hundred fifty-nine".