141312321440 has 48 divisors (see below), whose sum is σ = 334321502760. Its totient is φ = 56445158400.

The previous prime is 141312321383. The next prime is 141312321443. The reversal of 141312321440 is 44123213141.

It can be written as a sum of positive squares in 4 ways, for example, as 70456270096 + 70856051344 = 265436^2 + 266188^2 .

It is not an unprimeable number, because it can be changed into a prime (141312321443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509411 + ... + 736290.

Almost surely, 2^141312321440 is an apocalyptic number.

141312321440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141312321440 is an abundant number, since it is smaller than the sum of its proper divisors (193009181320).

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

141312321440 is a wasteful number, since it uses less digits than its factorization.

141312321440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246425 (or 1246417 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 141312321440 its reverse (44123213141), we get a palindrome (185435534581).

The spelling of 141312321440 in words is "one hundred forty-one billion, three hundred twelve million, three hundred twenty-one thousand, four hundred forty".