140943597 has 4 divisors (see below), whose sum is σ = 187924800. Its totient is φ = 93962396.

The previous prime is 140943571. The next prime is 140943599. The reversal of 140943597 is 795349041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140943597 - 2⁷ = 140943469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140943599) 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 in 3 ways as a sum of consecutive naturals, for example, 23490597 + ... + 23490602.

It is an arithmetic number, because the mean of its divisors is an integer number (46981200).

Almost surely, 2^140943597 is an apocalyptic number.

It is an amenable number.

140943597 is a deficient number, since it is larger than the sum of its proper divisors (46981203).

140943597 is an equidigital number, since it uses as much as digits as its factorization.

140943597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46981202.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 140943597 is about 11871.9668547381. The cubic root of 140943597 is about 520.4133756871.

The spelling of 140943597 in words is "one hundred forty million, nine hundred forty-three thousand, five hundred ninety-seven".