140192449 has 2 divisors, whose sum is σ = 140192450. Its totient is φ = 140192448.

The previous prime is 140192443. The next prime is 140192497. The reversal of 140192449 is 944291041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87890625 + 52301824 = 9375^2 + 7232^2 .

It is a cyclic number.

It is not a de Polignac number, because 140192449 - 2³ = 140192441 is a prime.

It is not a weakly prime, because it can be changed into another prime (140192441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70096224 + 70096225.

It is an arithmetic number, because the mean of its divisors is an integer number (70096225).

Almost surely, 2^140192449 is an apocalyptic number.

It is an amenable number.

140192449 is a deficient number, since it is larger than the sum of its proper divisors (1).

140192449 is an equidigital number, since it uses as much as digits as its factorization.

140192449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 140192449 is about 11840.2892278863. The cubic root of 140192449 is about 519.4872275089.

The spelling of 140192449 in words is "one hundred forty million, one hundred ninety-two thousand, four hundred forty-nine".