140100449 has 2 divisors, whose sum is σ = 140100450. Its totient is φ = 140100448.

The previous prime is 140100427. The next prime is 140100461. The reversal of 140100449 is 944001041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133633600 + 6466849 = 11560^2 + 2543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140100449 is a prime.

It is not a weakly prime, because it can be changed into another prime (140100409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70050224 + 70050225.

It is an arithmetic number, because the mean of its divisors is an integer number (70050225).

Almost surely, 2^140100449 is an apocalyptic number.

It is an amenable number.

140100449 is a deficient number, since it is larger than the sum of its proper divisors (1).

140100449 is an equidigital number, since it uses as much as digits as its factorization.

140100449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 140100449 is about 11836.4035500654. The cubic root of 140100449 is about 519.3735664104.

The spelling of 140100449 in words is "one hundred forty million, one hundred thousand, four hundred forty-nine".