140430697 has 8 divisors (see below), whose sum is σ = 154919520. Its totient is φ = 126228960.

The previous prime is 140430677. The next prime is 140430721. The reversal of 140430697 is 796034041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140430697 - 2⁷ = 140430569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140430677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70743 + ... + 72700.

It is an arithmetic number, because the mean of its divisors is an integer number (19364940).

Almost surely, 2^140430697 is an apocalyptic number.

It is an amenable number.

140430697 is a deficient number, since it is larger than the sum of its proper divisors (14488823).

140430697 is a wasteful number, since it uses less digits than its factorization.

140430697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143543.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 140430697 is about 11850.3458599317. The cubic root of 140430697 is about 519.7813392788.

The spelling of 140430697 in words is "one hundred forty million, four hundred thirty thousand, six hundred ninety-seven".