140436164 has 24 divisors (see below), whose sum is σ = 275354688. Its totient is φ = 62108640.

The previous prime is 140436143. The next prime is 140436181. The reversal of 140436164 is 461634041.

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, 41504 + ... + 44759.

It is an arithmetic number, because the mean of its divisors is an integer number (11473112).

Almost surely, 2^140436164 is an apocalyptic number.

It is an amenable number.

140436164 is a deficient number, since it is larger than the sum of its proper divisors (134918524).

140436164 is a wasteful number, since it uses less digits than its factorization.

140436164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86315 (or 86313 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 140436164 is about 11850.5765260598. The cubic root of 140436164 is about 519.7880842611.

The spelling of 140436164 in words is "one hundred forty million, four hundred thirty-six thousand, one hundred sixty-four".