2138713 has 2 divisors, whose sum is σ = 2138714. Its totient is φ = 2138712.

The previous prime is 2138693. The next prime is 2138737. The reversal of 2138713 is 3178312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1871424 + 267289 = 1368^2 + 517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2138713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2138743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069356 + 1069357.

It is an arithmetic number, because the mean of its divisors is an integer number (1069357).

2^2138713 is an apocalyptic number.

It is an amenable number.

2138713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2138713 is an equidigital number, since it uses as much as digits as its factorization.

2138713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 2138713 is about 1462.4339301315. The cubic root of 2138713 is about 128.8400356812.

The spelling of 2138713 in words is "two million, one hundred thirty-eight thousand, seven hundred thirteen".