137840751048 has 384 divisors, whose sum is σ = 483694485120. Its totient is φ = 32154071040.

The previous prime is 137840751047. The next prime is 137840751077. The reversal of 137840751048 is 840157048731.

It is a junction number, because it is equal to n+sod(n) for n = 137840750988 and 137840751006.

It is not an unprimeable number, because it can be changed into a prime (137840751043) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6211140 + ... + 6233292.

It is an arithmetic number, because the mean of its divisors is an integer number (1259621055).

Almost surely, 2^137840751048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137840751048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241847242560).

137840751048 is an abundant number, since it is smaller than the sum of its proper divisors (345853734072).

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

137840751048 is a wasteful number, since it uses less digits than its factorization.

137840751048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22237 (or 22226 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

Adding to 137840751048 its reverse (840157048731), we get a palindrome (977997799779).

It can be divided in two parts, 137840 and 751048, that added together give a palindrome (888888).

The spelling of 137840751048 in words is "one hundred thirty-seven billion, eight hundred forty million, seven hundred fifty-one thousand, forty-eight".