140311635621663 has 16 divisors (see below), whose sum is σ = 205341735574656. Its totient is φ = 84515653355040.

The previous prime is 140311635621629. The next prime is 140311635621679. The reversal of 140311635621663 is 366126536113041.

It is not a de Polignac number, because 140311635621663 - 2¹² = 140311635617567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140311635621163) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13042533720 + ... + 13042544477.

It is an arithmetic number, because the mean of its divisors is an integer number (12833858473416).

Almost surely, 2^{140311635621663} is an apocalyptic number.

140311635621663 is a deficient number, since it is larger than the sum of its proper divisors (65030099952993).

140311635621663 is a wasteful number, since it uses less digits than its factorization.

140311635621663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26085078374.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 140311635621663 in words is "one hundred forty trillion, three hundred eleven billion, six hundred thirty-five million, six hundred twenty-one thousand, six hundred sixty-three".