140926365221 has 2 divisors, whose sum is σ = 140926365222. Its totient is φ = 140926365220.

The previous prime is 140926365161. The next prime is 140926365227. The reversal of 140926365221 is 122563629041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98907105025 + 42019260196 = 314495^2 + 204986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140926365221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140926365227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70463182610 + 70463182611.

It is an arithmetic number, because the mean of its divisors is an integer number (70463182611).

Almost surely, 2^140926365221 is an apocalyptic number.

It is an amenable number.

140926365221 is a deficient number, since it is larger than the sum of its proper divisors (1).

140926365221 is an equidigital number, since it uses as much as digits as its factorization.

140926365221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 140926365221 in words is "one hundred forty billion, nine hundred twenty-six million, three hundred sixty-five thousand, two hundred twenty-one".