140236528665368 has 16 divisors (see below), whose sum is σ = 263010723086160. Its totient is φ = 70100335842400.

The previous prime is 140236528665361. The next prime is 140236528665379. The reversal of 140236528665368 is 863566825632041.

It is a happy number.

It is a super-2 number, since 2×140236528665368² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140236528665361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241028043 + ... + 2241090618.

It is an arithmetic number, because the mean of its divisors is an integer number (16438170192885).

Almost surely, 2^{140236528665368} is an apocalyptic number.

It is an amenable number.

140236528665368 is a deficient number, since it is larger than the sum of its proper divisors (122774194420792).

140236528665368 is a wasteful number, since it uses less digits than its factorization.

140236528665368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482122578 (or 4482122574 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 65.

The spelling of 140236528665368 in words is "one hundred forty trillion, two hundred thirty-six billion, five hundred twenty-eight million, six hundred sixty-five thousand, three hundred sixty-eight".