140689512535826 has 16 divisors (see below), whose sum is σ = 223449918317280. Its totient is φ = 66206275652160.

The previous prime is 140689512535823. The next prime is 140689512535909. The reversal of 140689512535826 is 628535215986041.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140689512535823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13166516 + ... + 21324543.

It is an arithmetic number, because the mean of its divisors is an integer number (13965619894830).

Almost surely, 2^{140689512535826} is an apocalyptic number.

140689512535826 is a deficient number, since it is larger than the sum of its proper divisors (82760405781454).

140689512535826 is a wasteful number, since it uses less digits than its factorization.

140689512535826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34611049.

The product of its (nonzero) digits is 124416000, while the sum is 65.

The spelling of 140689512535826 in words is "one hundred forty trillion, six hundred eighty-nine billion, five hundred twelve million, five hundred thirty-five thousand, eight hundred twenty-six".