140240460149 has 2 divisors, whose sum is σ = 140240460150. Its totient is φ = 140240460148.

The previous prime is 140240460137. The next prime is 140240460163. The reversal of 140240460149 is 941064042041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84133063249 + 56107396900 = 290057^2 + 236870^2 .

It is a cyclic number.

It is not a de Polignac number, because 140240460149 - 2⁴ = 140240460133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140240420149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70120230074 + 70120230075.

It is an arithmetic number, because the mean of its divisors is an integer number (70120230075).

Almost surely, 2^140240460149 is an apocalyptic number.

It is an amenable number.

140240460149 is a deficient number, since it is larger than the sum of its proper divisors (1).

140240460149 is an equidigital number, since it uses as much as digits as its factorization.

140240460149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 140240460149 in words is "one hundred forty billion, two hundred forty million, four hundred sixty thousand, one hundred forty-nine".