140470489 has 2 divisors, whose sum is σ = 140470490. Its totient is φ = 140470488.

The previous prime is 140470483. The next prime is 140470493. The reversal of 140470489 is 984074041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140304025 + 166464 = 11845^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 140470489 - 2¹³ = 140462297 is a prime.

It is not a weakly prime, because it can be changed into another prime (140470483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70235244 + 70235245.

It is an arithmetic number, because the mean of its divisors is an integer number (70235245).

Almost surely, 2^140470489 is an apocalyptic number.

It is an amenable number.

140470489 is a deficient number, since it is larger than the sum of its proper divisors (1).

140470489 is an equidigital number, since it uses as much as digits as its factorization.

140470489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 140470489 is about 11852.0246793533. The cubic root of 140470489 is about 519.8304291768.

The spelling of 140470489 in words is "one hundred forty million, four hundred seventy thousand, four hundred eighty-nine".