140855213699 has 4 divisors (see below), whose sum is σ = 141173171736. Its totient is φ = 140537255664.

The previous prime is 140855213693. The next prime is 140855213713. The reversal of 140855213699 is 996312558041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996312558041 = 7187 ⋅138627043.

It is a cyclic number.

It is not a de Polignac number, because 140855213699 - 2¹² = 140855209603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140855213699.

It is not an unprimeable number, because it can be changed into a prime (140855213693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158978354 + ... + 158979239.

It is an arithmetic number, because the mean of its divisors is an integer number (35293292934).

Almost surely, 2^140855213699 is an apocalyptic number.

140855213699 is a deficient number, since it is larger than the sum of its proper divisors (317958037).

140855213699 is an equidigital number, since it uses as much as digits as its factorization.

140855213699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317958036.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 140855213699 in words is "one hundred forty billion, eight hundred fifty-five million, two hundred thirteen thousand, six hundred ninety-nine".