140085646 has 16 divisors (see below), whose sum is σ = 214004160. Its totient is φ = 68755680.

The previous prime is 140085629. The next prime is 140085679. The reversal of 140085646 is 646580041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86920 + ... + 88516.

It is an arithmetic number, because the mean of its divisors is an integer number (13375260).

Almost surely, 2^140085646 is an apocalyptic number.

140085646 is a deficient number, since it is larger than the sum of its proper divisors (73918514).

140085646 is a wasteful number, since it uses less digits than its factorization.

140085646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 140085646 is about 11835.7782169150. The cubic root of 140085646 is about 519.3552734457.

The spelling of 140085646 in words is "one hundred forty million, eighty-five thousand, six hundred forty-six".