140655368767872 has 128 divisors (see below), whose sum is σ = 427091770391040. Its totient is φ = 40177623932928.

The previous prime is 140655368767841. The next prime is 140655368767873. The reversal of 140655368767872 is 278767863556041.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 140655368767794 and 140655368767803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140655368767873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4964053 + ... + 17491499.

It is an arithmetic number, because the mean of its divisors is an integer number (3336654456180).

Almost surely, 2^{140655368767872} is an apocalyptic number.

140655368767872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140655368767872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213545885195520).

140655368767872 is an abundant number, since it is smaller than the sum of its proper divisors (286436401623168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140655368767872 is a wasteful number, since it uses less digits than its factorization.

140655368767872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531648 (or 12531636 counting only the distinct ones).

The product of its (nonzero) digits is 2844979200, while the sum is 75.

The spelling of 140655368767872 in words is "one hundred forty trillion, six hundred fifty-five billion, three hundred sixty-eight million, seven hundred sixty-seven thousand, eight hundred seventy-two".