140069685 has 48 divisors (see below), whose sum is σ = 262656000. Its totient is φ = 63552384.

The previous prime is 140069651. The next prime is 140069711. The reversal of 140069685 is 586960041.

It is not a de Polignac number, because 140069685 - 2⁶ = 140069621 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 108876 + ... + 110154.

It is an arithmetic number, because the mean of its divisors is an integer number (5472000).

Almost surely, 2^140069685 is an apocalyptic number.

140069685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140069685 is a deficient number, since it is larger than the sum of its proper divisors (122586315).

140069685 is a wasteful number, since it uses less digits than its factorization.

140069685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 140069685 is about 11835.1039285678. The cubic root of 140069685 is about 519.3355480263.

The spelling of 140069685 in words is "one hundred forty million, sixty-nine thousand, six hundred eighty-five".