108138137 has 8 divisors (see below), whose sum is σ = 112654080. Its totient is φ = 103686480.

The previous prime is 108138131. The next prime is 108138143. The reversal of 108138137 is 731831801.

It is an interprime number because it is at equal distance from previous prime (108138131) and next prime (108138143).

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

It is a cyclic number.

It is not a de Polignac number, because 108138137 - 2¹⁸ = 107875993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108138131) 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 7 ways as a sum of consecutive naturals, for example, 12623 + ... + 19380.

It is an arithmetic number, because the mean of its divisors is an integer number (14081760).

Almost surely, 2^108138137 is an apocalyptic number.

It is an amenable number.

108138137 is a deficient number, since it is larger than the sum of its proper divisors (4515943).

108138137 is a wasteful number, since it uses less digits than its factorization.

108138137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32143.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 108138137 is about 10398.9488411089. The cubic root of 108138137 is about 476.4232650314.

Adding to 108138137 its reverse (731831801), we get a palindrome (839969938).

The spelling of 108138137 in words is "one hundred eight million, one hundred thirty-eight thousand, one hundred thirty-seven".