140870473 has 2 divisors, whose sum is σ = 140870474. Its totient is φ = 140870472.

The previous prime is 140870459. The next prime is 140870489. The reversal of 140870473 is 374078041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114982729 + 25887744 = 10723^2 + 5088^2 .

It is a cyclic number.

It is not a de Polignac number, because 140870473 - 2⁹ = 140869961 is a prime.

It is not a weakly prime, because it can be changed into another prime (140870453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70435236 + 70435237.

It is an arithmetic number, because the mean of its divisors is an integer number (70435237).

Almost surely, 2^140870473 is an apocalyptic number.

It is an amenable number.

140870473 is a deficient number, since it is larger than the sum of its proper divisors (1).

140870473 is an equidigital number, since it uses as much as digits as its factorization.

140870473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 140870473 is about 11868.8867632984. The cubic root of 140870473 is about 520.3233602683.

The spelling of 140870473 in words is "one hundred forty million, eight hundred seventy thousand, four hundred seventy-three".