39468131 has 2 divisors, whose sum is σ = 39468132. Its totient is φ = 39468130.

The previous prime is 39468113. The next prime is 39468133. The reversal of 39468131 is 13186493.

39468131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (39468113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39468131 is a prime.

It is a super-2 number, since 2×39468131² = 3115466729266322, which contains 22 as substring.

Together with 39468133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 39468091 and 39468100.

It is not a weakly prime, because it can be changed into another prime (39468133) 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 as a sum of consecutive naturals, namely, 19734065 + 19734066.

It is an arithmetic number, because the mean of its divisors is an integer number (19734066).

Almost surely, 2^39468131 is an apocalyptic number.

39468131 is a deficient number, since it is larger than the sum of its proper divisors (1).

39468131 is an equidigital number, since it uses as much as digits as its factorization.

39468131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 39468131 is about 6282.3666718841. The cubic root of 39468131 is about 340.4726155182.

The spelling of 39468131 in words is "thirty-nine million, four hundred sixty-eight thousand, one hundred thirty-one".