137452643688 has 64 divisors (see below), whose sum is σ = 359712645120. Its totient is φ = 43715044800.

The previous prime is 137452643683. The next prime is 137452643747. The reversal of 137452643688 is 886346254731.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (137452643681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248220 + ... + 1353867.

It is an arithmetic number, because the mean of its divisors is an integer number (5620510080).

Almost surely, 2^137452643688 is an apocalyptic number.

It is an amenable number.

137452643688 is an abundant number, since it is smaller than the sum of its proper divisors (222260001432).

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

137452643688 is a wasteful number, since it uses less digits than its factorization.

137452643688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602198 (or 2602194 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 137452643688 in words is "one hundred thirty-seven billion, four hundred fifty-two million, six hundred forty-three thousand, six hundred eighty-eight".