102140044399 has 2 divisors, whose sum is σ = 102140044400. Its totient is φ = 102140044398.

The previous prime is 102140044373. The next prime is 102140044427. The reversal of 102140044399 is 993440041201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102140044399 - 2¹¹ = 102140042351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102140044319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51070022199 + 51070022200.

It is an arithmetic number, because the mean of its divisors is an integer number (51070022200).

Almost surely, 2^102140044399 is an apocalyptic number.

102140044399 is a deficient number, since it is larger than the sum of its proper divisors (1).

102140044399 is an equidigital number, since it uses as much as digits as its factorization.

102140044399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 102140044399 in words is "one hundred two billion, one hundred forty million, forty-four thousand, three hundred ninety-nine".