140197593 has 8 divisors (see below), whose sum is σ = 192960256. Its totient is φ = 90450000.

The previous prime is 140197559. The next prime is 140197601. The reversal of 140197593 is 395791041.

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 140197593 - 2¹² = 140193497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140197493) 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, 753658 + ... + 753843.

It is an arithmetic number, because the mean of its divisors is an integer number (24120032).

Almost surely, 2^140197593 is an apocalyptic number.

It is an amenable number.

140197593 is a deficient number, since it is larger than the sum of its proper divisors (52762663).

140197593 is a wasteful number, since it uses less digits than its factorization.

140197593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507535.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 140197593 is about 11840.5064503171. The cubic root of 140197593 is about 519.4935811788.

It can be divided in two parts, 14019 and 7593, that added together give a palindrome (21612).

The spelling of 140197593 in words is "one hundred forty million, one hundred ninety-seven thousand, five hundred ninety-three".