140154431435412 has 12 divisors (see below), whose sum is σ = 327027006682656. Its totient is φ = 46718143811800.

The previous prime is 140154431435399. The next prime is 140154431435413. The reversal of 140154431435412 is 214534134451041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140154431435413) 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, 5839767976464 + ... + 5839767976487.

It is an arithmetic number, because the mean of its divisors is an integer number (27252250556888).

Almost surely, 2^{140154431435412} is an apocalyptic number.

140154431435412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140154431435412 is an abundant number, since it is smaller than the sum of its proper divisors (186872575247244).

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

140154431435412 is a wasteful number, since it uses less digits than its factorization.

140154431435412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11679535952958 (or 11679535952956 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 140154431435412 its reverse (214534134451041), we get a palindrome (354688565886453).

The spelling of 140154431435412 in words is "one hundred forty trillion, one hundred fifty-four billion, four hundred thirty-one million, four hundred thirty-five thousand, four hundred twelve".