137831540000 has 240 divisors, whose sum is σ = 422761622976. Its totient is φ = 42960000000.

The previous prime is 137831539991. The next prime is 137831540071. The reversal of 137831540000 is 45138731.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1495250 + ... + 1584750.

Almost surely, 2^137831540000 is an apocalyptic number.

137831540000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137831540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211380811488).

137831540000 is an abundant number, since it is smaller than the sum of its proper divisors (284930082976).

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

137831540000 is an equidigital number, since it uses as much as digits as its factorization.

137831540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89549 (or 89526 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 137831540000 its reverse (45138731), we get a palindrome (137876678731).

The spelling of 137831540000 in words is "one hundred thirty-seven billion, eight hundred thirty-one million, five hundred forty thousand".