141421232115540 has 144 divisors (see below), whose sum is σ = 462066878827008. Its totient is φ = 34804534079232.

The previous prime is 141421232115529. The next prime is 141421232115619. The reversal of 141421232115540 is 45511232124141.

141421232115540 is a `hidden beast` number, since 1 + 4 + 1 + 421 + 23 + 21 + 155 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 141421232115495 and 141421232115504.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 5963299 + ... + 17843861.

It is an arithmetic number, because the mean of its divisors is an integer number (3208797769632).

Almost surely, 2^{141421232115540} is an apocalyptic number.

141421232115540 is a gapful number since it is divisible by the number (10) 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 141421232115540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231033439413504).

141421232115540 is an abundant number, since it is smaller than the sum of its proper divisors (320645646711468).

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

141421232115540 is a wasteful number, since it uses less digits than its factorization.

141421232115540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885678 (or 11885673 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 141421232115540 its reverse (45511232124141), we get a palindrome (186932464239681).

The spelling of 141421232115540 in words is "one hundred forty-one trillion, four hundred twenty-one billion, two hundred thirty-two million, one hundred fifteen thousand, five hundred forty".