140403044240009 has 2 divisors, whose sum is σ = 140403044240010. Its totient is φ = 140403044240008.

The previous prime is 140403044239993. The next prime is 140403044240099. The reversal of 140403044240009 is 900042440304041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75340316814400 + 65062727425609 = 8679880^2 + 8066147^2 .

It is an emirp because it is prime and its reverse (900042440304041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140403044240009 - 2⁴ = 140403044239993 is a prime.

It is not a weakly prime, because it can be changed into another prime (140403044240099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70201522120004 + 70201522120005.

It is an arithmetic number, because the mean of its divisors is an integer number (70201522120005).

Almost surely, 2^{140403044240009} is an apocalyptic number.

It is an amenable number.

140403044240009 is a deficient number, since it is larger than the sum of its proper divisors (1).

140403044240009 is an equidigital number, since it uses as much as digits as its factorization.

140403044240009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 140403044240009 in words is "one hundred forty trillion, four hundred three billion, forty-four million, two hundred forty thousand, nine".