140076663065 has 16 divisors (see below), whose sum is σ = 169901564880. Its totient is φ = 110861187840.

The previous prime is 140076663061. The next prime is 140076663091. The reversal of 140076663065 is 560366670041.

It can be written as a sum of positive squares in 8 ways, for example, as 1736555584 + 138340107481 = 41672^2 + 371941^2 .

It is not a de Polignac number, because 140076663065 - 2² = 140076663061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140076663061) 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, 209846 + ... + 569375.

It is an arithmetic number, because the mean of its divisors is an integer number (10618847805).

Almost surely, 2^140076663065 is an apocalyptic number.

It is an amenable number.

140076663065 is a deficient number, since it is larger than the sum of its proper divisors (29824901815).

140076663065 is a wasteful number, since it uses less digits than its factorization.

140076663065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779612.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 140076663065 in words is "one hundred forty billion, seventy-six million, six hundred sixty-three thousand, sixty-five".