140531741858172 has 192 divisors, whose sum is σ = 401758815467520. Its totient is φ = 37354676097024.

The previous prime is 140531741858171. The next prime is 140531741858191. The reversal of 140531741858172 is 271858147135041.

It is a super-2 number, since 2×140531741858172² (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 (140531741858171) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198157104 + ... + 198865032.

It is an arithmetic number, because the mean of its divisors is an integer number (2092493830560).

Almost surely, 2^{140531741858172} is an apocalyptic number.

140531741858172 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 140531741858172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200879407733760).

140531741858172 is an abundant number, since it is smaller than the sum of its proper divisors (261227073609348).

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

140531741858172 is a wasteful number, since it uses less digits than its factorization.

140531741858172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710780 (or 710778 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 140531741858172 in words is "one hundred forty trillion, five hundred thirty-one billion, seven hundred forty-one million, eight hundred fifty-eight thousand, one hundred seventy-two".