140405275 has 6 divisors (see below), whose sum is σ = 174102572. Its totient is φ = 112324200.

The previous prime is 140405173. The next prime is 140405297. The reversal of 140405275 is 572504041.

140405275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140405275 - 2⁷ = 140405147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2808081 + ... + 2808130.

Almost surely, 2^140405275 is an apocalyptic number.

140405275 is a deficient number, since it is larger than the sum of its proper divisors (33697297).

140405275 is an equidigital number, since it uses as much as digits as its factorization.

140405275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616221 (or 5616216 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 140405275 is about 11849.2731844616. The cubic root of 140405275 is about 519.7499722559.

The spelling of 140405275 in words is "one hundred forty million, four hundred five thousand, two hundred seventy-five".