140405403433049 has 2 divisors, whose sum is σ = 140405403433050. Its totient is φ = 140405403433048.

The previous prime is 140405403433007. The next prime is 140405403433063. The reversal of 140405403433049 is 940334304504041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123637320269824 + 16768083163225 = 11119232^2 + 4094885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140405403433049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140405403433549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70202701716524 + 70202701716525.

It is an arithmetic number, because the mean of its divisors is an integer number (70202701716525).

Almost surely, 2^{140405403433049} is an apocalyptic number.

It is an amenable number.

140405403433049 is a deficient number, since it is larger than the sum of its proper divisors (1).

140405403433049 is an equidigital number, since it uses as much as digits as its factorization.

140405403433049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 140405403433049 in words is "one hundred forty trillion, four hundred five billion, four hundred three million, four hundred thirty-three thousand, forty-nine".