102140299 has 2 divisors, whose sum is σ = 102140300. Its totient is φ = 102140298.

The previous prime is 102140293. The next prime is 102140317. The reversal of 102140299 is 992041201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102140299 - 2⁹ = 102139787 is a prime.

It is not a weakly prime, because it can be changed into another prime (102140293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51070149 + 51070150.

It is an arithmetic number, because the mean of its divisors is an integer number (51070150).

Almost surely, 2^102140299 is an apocalyptic number.

102140299 is a deficient number, since it is larger than the sum of its proper divisors (1).

102140299 is an equidigital number, since it uses as much as digits as its factorization.

102140299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 102140299 is about 10106.4483870448. The cubic root of 102140299 is about 467.4469979090.

The spelling of 102140299 in words is "one hundred two million, one hundred forty thousand, two hundred ninety-nine".