137626388747 has 16 divisors (see below), whose sum is σ = 143100756000. Its totient is φ = 132201990144.

The previous prime is 137626388743. The next prime is 137626388789. The reversal of 137626388747 is 747883626731.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 137626388747 - 2² = 137626388743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137626388747.

It is not an unprimeable number, because it can be changed into a prime (137626388743) 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, 5753003 + ... + 5776875.

It is an arithmetic number, because the mean of its divisors is an integer number (8943797250).

Almost surely, 2^137626388747 is an apocalyptic number.

137626388747 is a deficient number, since it is larger than the sum of its proper divisors (5474367253).

137626388747 is a wasteful number, since it uses less digits than its factorization.

137626388747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24910.

The product of its digits is 56899584, while the sum is 62.

The spelling of 137626388747 in words is "one hundred thirty-seven billion, six hundred twenty-six million, three hundred eighty-eight thousand, seven hundred forty-seven".