140873049 has 12 divisors (see below), whose sum is σ = 214193200. Its totient is φ = 88972344.

The previous prime is 140873041. The next prime is 140873063. The reversal of 140873049 is 940378041.

It is a happy number.

It is not a de Polignac number, because 140873049 - 2³ = 140873041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140873041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411739 + ... + 412080.

Almost surely, 2^140873049 is an apocalyptic number.

140873049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

140873049 is a deficient number, since it is larger than the sum of its proper divisors (73320151).

140873049 is a wasteful number, since it uses less digits than its factorization.

140873049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823844 (or 823841 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 140873049 is about 11868.9952818257. The cubic root of 140873049 is about 520.3265318457.

The spelling of 140873049 in words is "one hundred forty million, eight hundred seventy-three thousand, forty-nine".