140781275 has 12 divisors (see below), whose sum is σ = 182159472. Its totient is φ = 107727840.

The previous prime is 140781247. The next prime is 140781287. The reversal of 140781275 is 572187041.

It is not a de Polignac number, because 140781275 - 2⁶ = 140781211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 121844 + ... + 122993.

It is an arithmetic number, because the mean of its divisors is an integer number (15179956).

Almost surely, 2^140781275 is an apocalyptic number.

140781275 is a deficient number, since it is larger than the sum of its proper divisors (41378197).

140781275 is a wasteful number, since it uses less digits than its factorization.

140781275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244870 (or 244865 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 140781275 is about 11865.1285285917. The cubic root of 140781275 is about 520.2135156207.

The spelling of 140781275 in words is "one hundred forty million, seven hundred eighty-one thousand, two hundred seventy-five".