140056459 has 2 divisors, whose sum is σ = 140056460. Its totient is φ = 140056458.

The previous prime is 140056393. The next prime is 140056471. The reversal of 140056459 is 954650041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140056459 - 2¹⁵ = 140023691 is a prime.

It is equal to p_7915246 and since 140056459 and 7915246 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (140056159) 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, 70028229 + 70028230.

It is an arithmetic number, because the mean of its divisors is an integer number (70028230).

Almost surely, 2^140056459 is an apocalyptic number.

140056459 is a deficient number, since it is larger than the sum of its proper divisors (1).

140056459 is an equidigital number, since it uses as much as digits as its factorization.

140056459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 140056459 is about 11834.5451539128. The cubic root of 140056459 is about 519.3192015243.

The spelling of 140056459 in words is "one hundred forty million, fifty-six thousand, four hundred fifty-nine".