140205252115 has 16 divisors (see below), whose sum is σ = 170526712608. Its totient is φ = 110647950336.

The previous prime is 140205252049. The next prime is 140205252119. The reversal of 140205252115 is 511252502041.

It is a cyclic number.

It is not a de Polignac number, because 140205252115 - 2⁷ = 140205251987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140205252119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28297 + ... + 530293.

It is an arithmetic number, because the mean of its divisors is an integer number (10657919538).

Almost surely, 2^140205252115 is an apocalyptic number.

140205252115 is a deficient number, since it is larger than the sum of its proper divisors (30321460493).

140205252115 is an equidigital number, since it uses as much as digits as its factorization.

140205252115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502758.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 140205252115 its reverse (511252502041), we get a palindrome (651457754156).

The spelling of 140205252115 in words is "one hundred forty billion, two hundred five million, two hundred fifty-two thousand, one hundred fifteen".