140874849 has 8 divisors (see below), whose sum is σ = 208703520. Its totient is φ = 93916548.

The previous prime is 140874847. The next prime is 140874857. The reversal of 140874849 is 948478041.

It is not a de Polignac number, because 140874849 - 2¹ = 140874847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140874841) 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 in 7 ways as a sum of consecutive naturals, for example, 2608767 + ... + 2608820.

It is an arithmetic number, because the mean of its divisors is an integer number (26087940).

Almost surely, 2^140874849 is an apocalyptic number.

It is an amenable number.

140874849 is a deficient number, since it is larger than the sum of its proper divisors (67828671).

140874849 is an equidigital number, since it uses as much as digits as its factorization.

140874849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217596 (or 5217590 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 140874849 is about 11869.0711094003. The cubic root of 140874849 is about 520.3287479871.

The spelling of 140874849 in words is "one hundred forty million, eight hundred seventy-four thousand, eight hundred forty-nine".