137004138127 has 4 divisors (see below), whose sum is σ = 137039755216. Its totient is φ = 136968521040.

The previous prime is 137004138083. The next prime is 137004138247. The reversal of 137004138127 is 721831400731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137004138127 - 2¹⁹ = 137003613839 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 (137004138827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17802774 + ... + 17810467.

It is an arithmetic number, because the mean of its divisors is an integer number (34259938804).

Almost surely, 2^137004138127 is an apocalyptic number.

137004138127 is a deficient number, since it is larger than the sum of its proper divisors (35617089).

137004138127 is an equidigital number, since it uses as much as digits as its factorization.

137004138127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35617088.

The product of its (nonzero) digits is 28224, while the sum is 37.

Adding to 137004138127 its reverse (721831400731), we get a palindrome (858835538858).

The spelling of 137004138127 in words is "one hundred thirty-seven billion, four million, one hundred thirty-eight thousand, one hundred twenty-seven".