140020365 has 8 divisors (see below), whose sum is σ = 224032608. Its totient is φ = 74677520.

The previous prime is 140020357. The next prime is 140020369. The reversal of 140020365 is 563020041.

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 140020365 - 2³ = 140020357 is a prime.

It is a super-2 number, since 2×140020365² = 39211405229466450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140020369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4667331 + ... + 4667360.

It is an arithmetic number, because the mean of its divisors is an integer number (28004076).

Almost surely, 2^140020365 is an apocalyptic number.

140020365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140020365 is a deficient number, since it is larger than the sum of its proper divisors (84012243).

140020365 is an equidigital number, since it uses as much as digits as its factorization.

140020365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9334699.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140020365 is about 11833.0201132255. The cubic root of 140020365 is about 519.2745863793.

The spelling of 140020365 in words is "one hundred forty million, twenty thousand, three hundred sixty-five".