140020530215 has 8 divisors (see below), whose sum is σ = 170326344048. Its totient is φ = 110481952320.

The previous prime is 140020530163. The next prime is 140020530253. The reversal of 140020530215 is 512035020041.

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

It is not a de Polignac number, because 140020530215 - 2²² = 140016335911 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, 191808581 + ... + 191809310.

It is an arithmetic number, because the mean of its divisors is an integer number (21290793006).

Almost surely, 2^140020530215 is an apocalyptic number.

140020530215 is a deficient number, since it is larger than the sum of its proper divisors (30305813833).

140020530215 is an equidigital number, since it uses as much as digits as its factorization.

140020530215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383617969.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 140020530215 its reverse (512035020041), we get a palindrome (652055550256).

The spelling of 140020530215 in words is "one hundred forty billion, twenty million, five hundred thirty thousand, two hundred fifteen".