99750137 has 2 divisors, whose sum is σ = 99750138. Its totient is φ = 99750136.

The previous prime is 99750127. The next prime is 99750163. The reversal of 99750137 is 73105799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86471401 + 13278736 = 9299^2 + 3644^2 .

It is a cyclic number.

It is not a de Polignac number, because 99750137 - 2²² = 95555833 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99750094 and 99750103.

It is not a weakly prime, because it can be changed into another prime (99750127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49875068 + 49875069.

It is an arithmetic number, because the mean of its divisors is an integer number (49875069).

Almost surely, 2^99750137 is an apocalyptic number.

It is an amenable number.

99750137 is a deficient number, since it is larger than the sum of its proper divisors (1).

99750137 is an equidigital number, since it uses as much as digits as its factorization.

99750137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 99750137 is about 9987.4990362953. The cubic root of 99750137 is about 463.7719738306.

The spelling of 99750137 in words is "ninety-nine million, seven hundred fifty thousand, one hundred thirty-seven".