137128260927 has 8 divisors (see below), whose sum is σ = 208957350016. Its totient is φ = 78359006232.

The previous prime is 137128260859. The next prime is 137128260977. The reversal of 137128260927 is 729062821731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137128260927 - 2¹² = 137128256831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137128260977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264958573 + ... + 3264958614.

It is an arithmetic number, because the mean of its divisors is an integer number (26119668752).

Almost surely, 2^137128260927 is an apocalyptic number.

137128260927 is a deficient number, since it is larger than the sum of its proper divisors (71829089089).

137128260927 is an equidigital number, since it uses as much as digits as its factorization.

137128260927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529917197.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 137128260927 in words is "one hundred thirty-seven billion, one hundred twenty-eight million, two hundred sixty thousand, nine hundred twenty-seven".