140122123395850 has 12 divisors (see below), whose sum is σ = 260627149516374. Its totient is φ = 56048849358320.

The previous prime is 140122123395799. The next prime is 140122123395851. The reversal of 140122123395850 is 58593321221041.

It can be written as a sum of positive squares in 3 ways, for example, as 99017445464001 + 41104677931849 = 9950751^2 + 6411293^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140122123395850.

It is not an unprimeable number, because it can be changed into a prime (140122123395851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1401221233909 + ... + 1401221234008.

Almost surely, 2^{140122123395850} is an apocalyptic number.

140122123395850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140122123395850 is a deficient number, since it is larger than the sum of its proper divisors (120505026120524).

140122123395850 is a wasteful number, since it uses less digits than its factorization.

140122123395850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802442467929 (or 2802442467924 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 140122123395850 in words is "one hundred forty trillion, one hundred twenty-two billion, one hundred twenty-three million, three hundred ninety-five thousand, eight hundred fifty".