140103034321421 has 2 divisors, whose sum is σ = 140103034321422. Its totient is φ = 140103034321420.

The previous prime is 140103034321339. The next prime is 140103034321487. The reversal of 140103034321421 is 124123430301041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73753228720900 + 66349805600521 = 8587970^2 + 8145539^2 .

It is a cyclic number.

It is not a de Polignac number, because 140103034321421 - 2⁴² = 135704987810317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140103034321721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70051517160710 + 70051517160711.

It is an arithmetic number, because the mean of its divisors is an integer number (70051517160711).

Almost surely, 2^{140103034321421} is an apocalyptic number.

It is an amenable number.

140103034321421 is a deficient number, since it is larger than the sum of its proper divisors (1).

140103034321421 is an equidigital number, since it uses as much as digits as its factorization.

140103034321421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 140103034321421 its reverse (124123430301041), we get a palindrome (264226464622462).

The spelling of 140103034321421 in words is "one hundred forty trillion, one hundred three billion, thirty-four million, three hundred twenty-one thousand, four hundred twenty-one".