140214450605 has 8 divisors (see below), whose sum is σ = 168280633752. Its totient is φ = 112156031808.

The previous prime is 140214450581. The next prime is 140214450619. The reversal of 140214450605 is 506054412041.

It can be written as a sum of positive squares in 4 ways, for example, as 43516463236 + 96697987369 = 208606^2 + 310963^2 .

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 140214450605 - 2⁸ = 140214450349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901282 + ... + 1973651.

It is an arithmetic number, because the mean of its divisors is an integer number (21035079219).

Almost surely, 2^140214450605 is an apocalyptic number.

It is an amenable number.

140214450605 is a deficient number, since it is larger than the sum of its proper divisors (28066183147).

140214450605 is an equidigital number, since it uses as much as digits as its factorization.

140214450605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882175.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 140214450605 its reverse (506054412041), we get a palindrome (646268862646).

The spelling of 140214450605 in words is "one hundred forty billion, two hundred fourteen million, four hundred fifty thousand, six hundred five".