102361139 has 2 divisors, whose sum is σ = 102361140. Its totient is φ = 102361138.

The previous prime is 102361087. The next prime is 102361153. The reversal of 102361139 is 931163201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102361139 - 2¹⁶ = 102295603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102361639) 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, 51180569 + 51180570.

It is an arithmetic number, because the mean of its divisors is an integer number (51180570).

Almost surely, 2^102361139 is an apocalyptic number.

102361139 is a deficient number, since it is larger than the sum of its proper divisors (1).

102361139 is an equidigital number, since it uses as much as digits as its factorization.

102361139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 102361139 is about 10117.3681854522. The cubic root of 102361139 is about 467.7836482023.

The spelling of 102361139 in words is "one hundred two million, three hundred sixty-one thousand, one hundred thirty-nine".