137508392927 has 4 divisors (see below), whose sum is σ = 137526791256. Its totient is φ = 137489994600.

The previous prime is 137508392921. The next prime is 137508392933. The reversal of 137508392927 is 729293805731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729293805731 = 445871 ⋅1635661.

It is an interprime number because it is at equal distance from previous prime (137508392921) and next prime (137508392933).

It is a cyclic number.

It is not a de Polignac number, because 137508392927 - 2⁶ = 137508392863 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 (137508392921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9187949 + ... + 9202902.

It is an arithmetic number, because the mean of its divisors is an integer number (34381697814).

Almost surely, 2^137508392927 is an apocalyptic number.

137508392927 is a deficient number, since it is larger than the sum of its proper divisors (18398329).

137508392927 is an equidigital number, since it uses as much as digits as its factorization.

137508392927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18398328.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 137508392927 in words is "one hundred thirty-seven billion, five hundred eight million, three hundred ninety-two thousand, nine hundred twenty-seven".