140340459 has 12 divisors (see below), whose sum is σ = 217671144. Its totient is φ = 80194464.

The previous prime is 140340437. The next prime is 140340481. The reversal of 140340459 is 954043041.

It is an interprime number because it is at equal distance from previous prime (140340437) and next prime (140340481).

It is not a de Polignac number, because 140340459 - 2⁵ = 140340427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140341459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477202 + ... + 477495.

It is an arithmetic number, because the mean of its divisors is an integer number (18139262).

Almost surely, 2^140340459 is an apocalyptic number.

140340459 is a deficient number, since it is larger than the sum of its proper divisors (77330685).

140340459 is an equidigital number, since it uses as much as digits as its factorization.

140340459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954714 (or 954707 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140340459 is about 11846.5378486712. The cubic root of 140340459 is about 519.6699816729.

The spelling of 140340459 in words is "one hundred forty million, three hundred forty thousand, four hundred fifty-nine".