140612050565 has 12 divisors (see below), whose sum is σ = 196282944396. Its totient is φ = 96419691648.

The previous prime is 140612050561. The next prime is 140612050699. The reversal of 140612050565 is 565050216041.

It can be written as a sum of positive squares in 2 ways, for example, as 75753204289 + 64858846276 = 275233^2 + 254674^2 .

It is not a de Polignac number, because 140612050565 - 2² = 140612050561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140612050561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286963124 + ... + 286963613.

It is an arithmetic number, because the mean of its divisors is an integer number (16356912033).

Almost surely, 2^140612050565 is an apocalyptic number.

It is an amenable number.

140612050565 is a deficient number, since it is larger than the sum of its proper divisors (55670893831).

140612050565 is an equidigital number, since it uses as much as digits as its factorization.

140612050565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573926756 (or 573926749 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 140612050565 in words is "one hundred forty billion, six hundred twelve million, fifty thousand, five hundred sixty-five".