140564464 has 20 divisors (see below), whose sum is σ = 275406480. Its totient is φ = 69491840.

The previous prime is 140564407. The next prime is 140564467. The reversal of 140564464 is 464465041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140564467) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47932 + ... + 50779.

It is an arithmetic number, because the mean of its divisors is an integer number (13770324).

Almost surely, 2^140564464 is an apocalyptic number.

It is an amenable number.

140564464 is a deficient number, since it is larger than the sum of its proper divisors (134842016).

140564464 is an equidigital number, since it uses as much as digits as its factorization.

140564464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98808 (or 98802 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 140564464 is about 11855.9885290093. The cubic root of 140564464 is about 519.9463258209.

The spelling of 140564464 in words is "one hundred forty million, five hundred sixty-four thousand, four hundred sixty-four".