48138137 has 4 divisors (see below), whose sum is σ = 48152676. Its totient is φ = 48123600.

The previous prime is 48138127. The next prime is 48138143. The reversal of 48138137 is 73183184.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8649481 + 39488656 = 2941^2 + 6284^2 .

It is a cyclic number.

It is not a de Polignac number, because 48138137 - 2¹⁶ = 48072601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48138097 and 48138106.

It is not an unprimeable number, because it can be changed into a prime (48138107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 9819.

It is an arithmetic number, because the mean of its divisors is an integer number (12038169).

Almost surely, 2^48138137 is an apocalyptic number.

It is an amenable number.

48138137 is a deficient number, since it is larger than the sum of its proper divisors (14539).

48138137 is an equidigital number, since it uses as much as digits as its factorization.

48138137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14538.

The product of its digits is 16128, while the sum is 35.

The square root of 48138137 is about 6938.1652473835. The cubic root of 48138137 is about 363.7724118720.

The spelling of 48138137 in words is "forty-eight million, one hundred thirty-eight thousand, one hundred thirty-seven".