2138352137 has 4 divisors (see below), whose sum is σ = 2196145476. Its totient is φ = 2080558800.

The previous prime is 2138352107. The next prime is 2138352179. The reversal of 2138352137 is 7312538312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 732027136 + 1406325001 = 27056^2 + 37501^2 .

It is a cyclic number.

It is not a de Polignac number, because 2138352137 - 2¹² = 2138348041 is a prime.

It is a super-3 number, since 3×2138352137³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2138352097 and 2138352106.

It is not an unprimeable number, because it can be changed into a prime (2138352107) 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, 28896614 + ... + 28896687.

It is an arithmetic number, because the mean of its divisors is an integer number (549036369).

Almost surely, 2^2138352137 is an apocalyptic number.

It is an amenable number.

2138352137 is a deficient number, since it is larger than the sum of its proper divisors (57793339).

2138352137 is an equidigital number, since it uses as much as digits as its factorization.

2138352137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57793338.

The product of its digits is 30240, while the sum is 35.

The square root of 2138352137 is about 46242.3197623130. The cubic root of 2138352137 is about 1288.3278892157.

The spelling of 2138352137 in words is "two billion, one hundred thirty-eight million, three hundred fifty-two thousand, one hundred thirty-seven".