144131236321320 has 96 divisors (see below), whose sum is σ = 468428645154600. Its totient is φ = 38434821820416.

The previous prime is 144131236321309. The next prime is 144131236321357. The reversal of 144131236321320 is 23123632131441.

144131236321320 is a `hidden beast` number, since 1 + 4 + 4 + 1 + 3 + 1 + 2 + 3 + 6 + 321 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 104195383572996 + 39935852748324 = 10207614^2 + 6319482^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91512004 + ... + 93073676.

Almost surely, 2^{144131236321320} is an apocalyptic number.

144131236321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144131236321320 is an abundant number, since it is smaller than the sum of its proper divisors (324297408833280).

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

144131236321320 is a wasteful number, since it uses less digits than its factorization.

144131236321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818059 (or 1818052 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 144131236321320 its reverse (23123632131441), we get a palindrome (167254868452761).

The spelling of 144131236321320 in words is "one hundred forty-four trillion, one hundred thirty-one billion, two hundred thirty-six million, three hundred twenty-one thousand, three hundred twenty".