14531532321340 has 48 divisors (see below), whose sum is σ = 31854551581440. Its totient is φ = 5561905789440.

The previous prime is 14531532321269. The next prime is 14531532321347. The reversal of 14531532321340 is 4312323513541.

It is a happy number.

It is a super-2 number, since 2×14531532321340² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14531532321340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14531532321347) 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, 131618727 + ... + 131729086.

It is an arithmetic number, because the mean of its divisors is an integer number (663636491280).

Almost surely, 2^{14531532321340} is an apocalyptic number.

14531532321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14531532321340 is an abundant number, since it is smaller than the sum of its proper divisors (17323019260100).

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

14531532321340 is a wasteful number, since it uses less digits than its factorization.

14531532321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263347942 (or 263347940 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 14531532321340 its reverse (4312323513541), we get a palindrome (18843855834881).

The spelling of 14531532321340 in words is "fourteen trillion, five hundred thirty-one billion, five hundred thirty-two million, three hundred twenty-one thousand, three hundred forty".