140769213449 has 8 divisors (see below), whose sum is σ = 148244403840. Its totient is φ = 133300651536.

The previous prime is 140769213433. The next prime is 140769213463. The reversal of 140769213449 is 944312967041.

It is a happy number.

140769213449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140769213449 - 2⁴ = 140769213433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140769213397 and 140769213406.

It is not an unprimeable number, because it can be changed into a prime (140769213049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613489 + ... + 1698494.

It is an arithmetic number, because the mean of its divisors is an integer number (18530550480).

Almost surely, 2^140769213449 is an apocalyptic number.

140769213449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

140769213449 is a deficient number, since it is larger than the sum of its proper divisors (7475190391).

140769213449 is a wasteful number, since it uses less digits than its factorization.

140769213449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314239.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 140769213449 in words is "one hundred forty billion, seven hundred sixty-nine million, two hundred thirteen thousand, four hundred forty-nine".