137438953476 has 96 divisors (see below), whose sum is σ = 359258651136. Its totient is φ = 40534368000.

The previous prime is 137438953447. The next prime is 137438953481. The reversal of 137438953476 is 674359834731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1551871 + ... + 1638041.

It is an arithmetic number, because the mean of its divisors is an integer number (3742277616).

Almost surely, 2^137438953476 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 137438953476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179629325568).

137438953476 is an abundant number, since it is smaller than the sum of its proper divisors (221819697660).

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

137438953476 is a wasteful number, since it uses less digits than its factorization.

137438953476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86513 (or 86511 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 60.

The spelling of 137438953476 in words is "one hundred thirty-seven billion, four hundred thirty-eight million, nine hundred fifty-three thousand, four hundred seventy-six".