140573665 has 8 divisors (see below), whose sum is σ = 172611648. Its totient is φ = 109843440.

The previous prime is 140573659. The next prime is 140573669. The reversal of 140573665 is 566375041.

140573665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140573665 - 2¹¹ = 140571617 is a prime.

It is a super-3 number, since 3×140573665³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140573669) 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, 326701 + ... + 327130.

It is an arithmetic number, because the mean of its divisors is an integer number (21576456).

Almost surely, 2^140573665 is an apocalyptic number.

It is an amenable number.

140573665 is a deficient number, since it is larger than the sum of its proper divisors (32037983).

140573665 is an equidigital number, since it uses as much as digits as its factorization.

140573665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653879.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 140573665 is about 11856.3765544116. The cubic root of 140573665 is about 519.9576703709.

The spelling of 140573665 in words is "one hundred forty million, five hundred seventy-three thousand, six hundred sixty-five".