137218833408 has 44 divisors (see below), whose sum is σ = 365738226920. Its totient is φ = 45739610112.

The previous prime is 137218833383. The next prime is 137218833413. The reversal of 137218833408 is 804338812731.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22330723 + ... + 22336866.

It is an arithmetic number, because the mean of its divisors is an integer number (8312232430).

Almost surely, 2^137218833408 is an apocalyptic number.

It is an amenable number.

137218833408 is an abundant number, since it is smaller than the sum of its proper divisors (228519393512).

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

137218833408 is an equidigital number, since it uses as much as digits as its factorization.

137218833408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44667612 (or 44667594 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 137218833408 in words is "one hundred thirty-seven billion, two hundred eighteen million, eight hundred thirty-three thousand, four hundred eight".