144121213321340 has 12 divisors (see below), whose sum is σ = 302654547974856. Its totient is φ = 57648485328528.

The previous prime is 144121213321303. The next prime is 144121213321361. The reversal of 144121213321340 is 43123312121441.

It is a junction number, because it is equal to n+sod(n) for n = 144121213321297 and 144121213321306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3603030333014 + ... + 3603030333053.

It is an arithmetic number, because the mean of its divisors is an integer number (25221212331238).

Almost surely, 2^{144121213321340} is an apocalyptic number.

144121213321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144121213321340 is an abundant number, since it is smaller than the sum of its proper divisors (158533334653516).

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

144121213321340 is a wasteful number, since it uses less digits than its factorization.

144121213321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206060666076 (or 7206060666074 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 144121213321340 its reverse (43123312121441), we get a palindrome (187244525442781).

The spelling of 144121213321340 in words is "one hundred forty-four trillion, one hundred twenty-one billion, two hundred thirteen million, three hundred twenty-one thousand, three hundred forty".