140122123395899 has 4 divisors (see below), whose sum is σ = 140180096970264. Its totient is φ = 140064149821536.

The previous prime is 140122123395851. The next prime is 140122123395901. The reversal of 140122123395899 is 998593321221041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140122123395899 - 2³² = 140117828428603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140122123395599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28986783557 + ... + 28986788390.

It is an arithmetic number, because the mean of its divisors is an integer number (35045024242566).

Almost surely, 2^{140122123395899} is an apocalyptic number.

140122123395899 is a deficient number, since it is larger than the sum of its proper divisors (57973574365).

140122123395899 is an equidigital number, since it uses as much as digits as its factorization.

140122123395899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57973574364.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 140122123395899 in words is "one hundred forty trillion, one hundred twenty-two billion, one hundred twenty-three million, three hundred ninety-five thousand, eight hundred ninety-nine".