140462005 has 8 divisors (see below), whose sum is σ = 168686424. Its totient is φ = 112281600.

The previous prime is 140461967. The next prime is 140462029. The reversal of 140462005 is 500264041.

It can be written as a sum of positive squares in 4 ways, for example, as 323761 + 140138244 = 569^2 + 11838^2 .

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

It is not a de Polignac number, because 140462005 - 2⁹ = 140461493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516 + ... + 17125.

It is an arithmetic number, because the mean of its divisors is an integer number (21085803).

Almost surely, 2^140462005 is an apocalyptic number.

It is an amenable number.

140462005 is a deficient number, since it is larger than the sum of its proper divisors (28224419).

140462005 is a wasteful number, since it uses less digits than its factorization.

140462005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22007.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140462005 is about 11851.6667604181. Note that the first 3 decimals coincide. The cubic root of 140462005 is about 519.8199635618.

The spelling of 140462005 in words is "one hundred forty million, four hundred sixty-two thousand, five".