140352002310505 has 4 divisors (see below), whose sum is σ = 168422402772612. Its totient is φ = 112281601848400.

The previous prime is 140352002310497. The next prime is 140352002310517. The reversal of 140352002310505 is 505013200253041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46490414918544 + 93861587391961 = 6818388^2 + 9688219^2 .

It is not a de Polignac number, because 140352002310505 - 2³ = 140352002310497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14035200231046 + ... + 14035200231055.

It is an arithmetic number, because the mean of its divisors is an integer number (42105600693153).

Almost surely, 2^{140352002310505} is an apocalyptic number.

It is an amenable number.

140352002310505 is a deficient number, since it is larger than the sum of its proper divisors (28070400462107).

140352002310505 is an equidigital number, since it uses as much as digits as its factorization.

140352002310505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28070400462106.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 140352002310505 its reverse (505013200253041), we get a palindrome (645365202563546).

The spelling of 140352002310505 in words is "one hundred forty trillion, three hundred fifty-two billion, two million, three hundred ten thousand, five hundred five".