140575459 has 2 divisors, whose sum is σ = 140575460. Its totient is φ = 140575458.

The previous prime is 140575399. The next prime is 140575481. The reversal of 140575459 is 954575041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140575459 - 2⁹ = 140574947 is a prime.

It is a super-3 number, since 3×140575459³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (140575489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70287729 + 70287730.

It is an arithmetic number, because the mean of its divisors is an integer number (70287730).

Almost surely, 2^140575459 is an apocalyptic number.

140575459 is a deficient number, since it is larger than the sum of its proper divisors (1).

140575459 is an equidigital number, since it uses as much as digits as its factorization.

140575459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 140575459 is about 11856.4522096620. The cubic root of 140575459 is about 519.9598822600.

The spelling of 140575459 in words is "one hundred forty million, five hundred seventy-five thousand, four hundred fifty-nine".