137816617 has 4 divisors (see below), whose sum is σ = 138100096. Its totient is φ = 137533140.

The previous prime is 137816611. The next prime is 137816639. The reversal of 137816617 is 716618731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 716618731 = 17 ⋅42154043.

It is a cyclic number.

It is not a de Polignac number, because 137816617 - 2⁷ = 137816489 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 137816617.

It is not an unprimeable number, because it can be changed into a prime (137816611) 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, 141009 + ... + 141982.

It is an arithmetic number, because the mean of its divisors is an integer number (34525024).

Almost surely, 2^137816617 is an apocalyptic number.

It is an amenable number.

137816617 is a deficient number, since it is larger than the sum of its proper divisors (283479).

137816617 is an equidigital number, since it uses as much as digits as its factorization.

137816617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283478.

The product of its digits is 42336, while the sum is 40.

The square root of 137816617 is about 11739.5322308855. The cubic root of 137816617 is about 516.5359206222.

The spelling of 137816617 in words is "one hundred thirty-seven million, eight hundred sixteen thousand, six hundred seventeen".