137745081440 has 24 divisors (see below), whose sum is σ = 325422755280. Its totient is φ = 55098032512.

The previous prime is 137745081437. The next prime is 137745081503. The reversal of 137745081440 is 44180547731.

It is a junction number, because it is equal to n+sod(n) for n = 137745081391 and 137745081400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430453220 + ... + 430453539.

It is an arithmetic number, because the mean of its divisors is an integer number (13559281470).

Almost surely, 2^137745081440 is an apocalyptic number.

137745081440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137745081440 is an abundant number, since it is smaller than the sum of its proper divisors (187677673840).

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

137745081440 is an equidigital number, since it uses as much as digits as its factorization.

137745081440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860906774 (or 860906766 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 137745081440 in words is "one hundred thirty-seven billion, seven hundred forty-five million, eighty-one thousand, four hundred forty".