137641208320 has 160 divisors (see below), whose sum is σ = 411449486976. Its totient is φ = 42901094400.

The previous prime is 137641208317. The next prime is 137641208321. The reversal of 137641208320 is 23802146731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 137641208320.

It is not an unprimeable number, because it can be changed into a prime (137641208321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152011 + ... + 546250.

Almost surely, 2^137641208320 is an apocalyptic number.

137641208320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137641208320 is an abundant number, since it is smaller than the sum of its proper divisors (273808278656).

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

137641208320 is an equidigital number, since it uses as much as digits as its factorization.

137641208320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698302 (or 698286 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 137641208320 in words is "one hundred thirty-seven billion, six hundred forty-one million, two hundred eight thousand, three hundred twenty".