140612285 has 12 divisors (see below), whose sum is σ = 185469564. Its totient is φ = 102263040.

The previous prime is 140612237. The next prime is 140612309. The reversal of 140612285 is 582216041.

It can be written as a sum of positive squares in 2 ways, for example, as 50495236 + 90117049 = 7106^2 + 9493^2 .

It is not a de Polignac number, because 140612285 - 2¹⁴ = 140595901 is a prime.

It is a Duffinian number.

It is a congruent 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, 115604 + ... + 116813.

It is an arithmetic number, because the mean of its divisors is an integer number (15455797).

Almost surely, 2^140612285 is an apocalyptic number.

It is an amenable number.

140612285 is a deficient number, since it is larger than the sum of its proper divisors (44857279).

140612285 is a wasteful number, since it uses less digits than its factorization.

140612285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232444 (or 232433 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 140612285 is about 11858.0051020397. The cubic root of 140612285 is about 520.0052822442.

The spelling of 140612285 in words is "one hundred forty million, six hundred twelve thousand, two hundred eighty-five".