140012785 has 8 divisors (see below), whose sum is σ = 183289536. Its totient is φ = 101827440.

The previous prime is 140012779. The next prime is 140012791. The reversal of 140012785 is 587210041.

It is an interprime number because it is at equal distance from previous prime (140012779) and next prime (140012791).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140012785 - 2³ = 140012777 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 7 ways as a sum of consecutive naturals, for example, 1272789 + ... + 1272898.

It is an arithmetic number, because the mean of its divisors is an integer number (22911192).

Almost surely, 2^140012785 is an apocalyptic number.

It is an amenable number.

140012785 is a deficient number, since it is larger than the sum of its proper divisors (43276751).

140012785 is a wasteful number, since it uses less digits than its factorization.

140012785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545703.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 140012785 is about 11832.6998187227. The cubic root of 140012785 is about 519.2652159033.

The spelling of 140012785 in words is "one hundred forty million, twelve thousand, seven hundred eighty-five".