2139607 has 2 divisors, whose sum is σ = 2139608. Its totient is φ = 2139606.

The previous prime is 2139583. The next prime is 2139611. The reversal of 2139607 is 7069312.

2139607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2139607 is a prime.

It is a super-2 number, since 2×2139607² = 9155836228898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2139677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069803 + 1069804.

It is an arithmetic number, because the mean of its divisors is an integer number (1069804).

2^2139607 is an apocalyptic number.

2139607 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139607 is an equidigital number, since it uses as much as digits as its factorization.

2139607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2139607 is about 1462.7395530305. The cubic root of 2139607 is about 128.8579852528.

The spelling of 2139607 in words is "two million, one hundred thirty-nine thousand, six hundred seven".