140577 has 8 divisors (see below), whose sum is σ = 191616. Its totient is φ = 91632.

The previous prime is 140557. The next prime is 140587. The reversal of 140577 is 775041.

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

It is not a de Polignac number, because 140577 - 2⁷ = 140449 is a prime.

140577 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140577.

It is not an unprimeable number, because it can be changed into a prime (140527) 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, 358 + ... + 639.

It is an arithmetic number, because the mean of its divisors is an integer number (23952).

2¹⁴⁰⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

140577 is a deficient number, since it is larger than the sum of its proper divisors (51039).

140577 is an equidigital number, since it uses as much as digits as its factorization.

140577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 140577 is about 374.9359945377. The cubic root of 140577 is about 51.9961782201.

It can be divided in two parts, 140 and 577, that added together give a palindrome (717).

The spelling of 140577 in words is "one hundred forty thousand, five hundred seventy-seven".