140344497 has 12 divisors (see below), whose sum is σ = 203308560. Its totient is φ = 93291288.

The previous prime is 140344487. The next prime is 140344499. The reversal of 140344497 is 794443041.

It is not a de Polignac number, because 140344497 - 2⁶ = 140344433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140344499) 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, 19347 + ... + 25592.

It is an arithmetic number, because the mean of its divisors is an integer number (16942380).

Almost surely, 2^140344497 is an apocalyptic number.

It is an amenable number.

140344497 is a deficient number, since it is larger than the sum of its proper divisors (62964063).

140344497 is a wasteful number, since it uses less digits than its factorization.

140344497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45292 (or 45289 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 140344497 is about 11846.7082769856. The cubic root of 140344497 is about 519.6749657601.

The spelling of 140344497 in words is "one hundred forty million, three hundred forty-four thousand, four hundred ninety-seven".