144400133140 has 48 divisors (see below), whose sum is σ = 304136154000. Its totient is φ = 57589604352.

The previous prime is 144400133123. The next prime is 144400133179. The reversal of 144400133140 is 41331004441.

It can be written as a sum of positive squares in 8 ways, for example, as 12975032464 + 131425100676 = 113908^2 + 362526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14336026 + ... + 14346094.

It is an arithmetic number, because the mean of its divisors is an integer number (6336169875).

Almost surely, 2^144400133140 is an apocalyptic number.

144400133140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144400133140 is an abundant number, since it is smaller than the sum of its proper divisors (159736020860).

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

144400133140 is a wasteful number, since it uses less digits than its factorization.

144400133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12124 (or 12122 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 144400133140 its reverse (41331004441), we get a palindrome (185731137581).

The spelling of 144400133140 in words is "one hundred forty-four billion, four hundred million, one hundred thirty-three thousand, one hundred forty".