96139661 has 2 divisors, whose sum is σ = 96139662. Its totient is φ = 96139660.

The previous prime is 96139651. The next prime is 96139663. The reversal of 96139661 is 16693169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88266025 + 7873636 = 9395^2 + 2806^2 .

It is an emirp because it is prime and its reverse (16693169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 96139661 - 2⁶ = 96139597 is a prime.

Together with 96139663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96139663) 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 as a sum of consecutive naturals, namely, 48069830 + 48069831.

It is an arithmetic number, because the mean of its divisors is an integer number (48069831).

Almost surely, 2^96139661 is an apocalyptic number.

It is an amenable number.

96139661 is a deficient number, since it is larger than the sum of its proper divisors (1).

96139661 is an equidigital number, since it uses as much as digits as its factorization.

96139661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 41.

The square root of 96139661 is about 9805.0834264681. The cubic root of 96139661 is about 458.1076337867.

The spelling of 96139661 in words is "ninety-six million, one hundred thirty-nine thousand, six hundred sixty-one".