137443115008 has 64 divisors (see below), whose sum is σ = 282313770120. Its totient is φ = 66863628288.

The previous prime is 137443114999. The next prime is 137443115009. The reversal of 137443115008 is 800511344731.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137443115009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155735 + ... + 1269097.

Almost surely, 2^137443115008 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 137443115008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141156885060).

137443115008 is an abundant number, since it is smaller than the sum of its proper divisors (144870655112).

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

137443115008 is an frugal number, since it uses more digits than its factorization.

137443115008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113430 (or 113402 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 137443115008 its reverse (800511344731), we get a palindrome (937954459739).

The spelling of 137443115008 in words is "one hundred thirty-seven billion, four hundred forty-three million, one hundred fifteen thousand, eight".