140597 has 4 divisors (see below), whose sum is σ = 143040. Its totient is φ = 138156.

The previous prime is 140593. The next prime is 140603. The reversal of 140597 is 795041.

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 140597 - 2² = 140593 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140597.

It is not an unprimeable number, because it can be changed into a prime (140593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133 + ... + 1250.

It is an arithmetic number, because the mean of its divisors is an integer number (35760).

2¹⁴⁰⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

140597 is a deficient number, since it is larger than the sum of its proper divisors (2443).

140597 is an equidigital number, since it uses as much as digits as its factorization.

140597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 140597 is about 374.9626648081. The cubic root of 140597 is about 51.9986439489.

It can be divided in two parts, 140 and 597, that added together give a palindrome (737).

The spelling of 140597 in words is "one hundred forty thousand, five hundred ninety-seven".