102136361 has 2 divisors, whose sum is σ = 102136362. Its totient is φ = 102136360.

The previous prime is 102136283. The next prime is 102136367. The reversal of 102136361 is 163631201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63696361 + 38440000 = 7981^2 + 6200^2 .

It is a cyclic number.

It is not a de Polignac number, because 102136361 - 2²² = 97942057 is a prime.

It is not a weakly prime, because it can be changed into another prime (102136367) 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, 51068180 + 51068181.

It is an arithmetic number, because the mean of its divisors is an integer number (51068181).

Almost surely, 2^102136361 is an apocalyptic number.

It is an amenable number.

102136361 is a deficient number, since it is larger than the sum of its proper divisors (1).

102136361 is an equidigital number, since it uses as much as digits as its factorization.

102136361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 102136361 is about 10106.2535590594. The cubic root of 102136361 is about 467.4409903881.

Adding to 102136361 its reverse (163631201), we get a palindrome (265767562).

The spelling of 102136361 in words is "one hundred two million, one hundred thirty-six thousand, three hundred sixty-one".