137312327 has 4 divisors (see below), whose sum is σ = 138728016. Its totient is φ = 135896640.

The previous prime is 137312317. The next prime is 137312353. The reversal of 137312327 is 723213731.

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 137312327 - 2¹⁰ = 137311303 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 137312327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137312317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707699 + ... + 707892.

It is an arithmetic number, because the mean of its divisors is an integer number (34682004).

Almost surely, 2^137312327 is an apocalyptic number.

137312327 is a deficient number, since it is larger than the sum of its proper divisors (1415689).

137312327 is an equidigital number, since it uses as much as digits as its factorization.

137312327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415688.

The product of its digits is 5292, while the sum is 29.

The square root of 137312327 is about 11718.0342634761. The cubic root of 137312327 is about 515.9051252266.

The spelling of 137312327 in words is "one hundred thirty-seven million, three hundred twelve thousand, three hundred twenty-seven".