140440314201421 has 8 divisors (see below), whose sum is σ = 151244479620920. Its totient is φ = 129636300828672.

The previous prime is 140440314201371. The next prime is 140440314201431. The reversal of 140440314201421 is 124102413044041.

It can be written as a sum of positive squares in 4 ways, for example, as 1441260275625 + 138999053925796 = 1200525^2 + 11789786^2 .

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 140440314201421 - 2¹⁹ = 140440313677133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440314201431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36089700 + ... + 39791293.

It is an arithmetic number, because the mean of its divisors is an integer number (18905559952615).

Almost surely, 2^{140440314201421} is an apocalyptic number.

It is an amenable number.

140440314201421 is a deficient number, since it is larger than the sum of its proper divisors (10804165419499).

140440314201421 is a wasteful number, since it uses less digits than its factorization.

140440314201421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76023375.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 140440314201421 its reverse (124102413044041), we get a palindrome (264542727245462).

The spelling of 140440314201421 in words is "one hundred forty trillion, four hundred forty billion, three hundred fourteen million, two hundred one thousand, four hundred twenty-one".