140165310540605 has 40 divisors (see below), whose sum is σ = 196223525790264. Its totient is φ = 96111510835200.

The previous prime is 140165310540589. The next prime is 140165310540653. The reversal of 140165310540605 is 506045013561041.

It can be written as a sum of positive squares in 4 ways, for example, as 5063301031684 + 135102009508921 = 2250178^2 + 11623339^2 .

It is not a de Polignac number, because 140165310540605 - 2⁴ = 140165310540589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 988672925 + ... + 988814685.

Almost surely, 2^{140165310540605} is an apocalyptic number.

It is an amenable number.

140165310540605 is a deficient number, since it is larger than the sum of its proper divisors (56058215249659).

140165310540605 is an frugal number, since it uses more digits than its factorization.

140165310540605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224155 (or 224134 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 140165310540605 in words is "one hundred forty trillion, one hundred sixty-five billion, three hundred ten million, five hundred forty thousand, six hundred five".