140664345460 has 48 divisors (see below), whose sum is σ = 296638505856. Its totient is φ = 56029081472.

The previous prime is 140664345433. The next prime is 140664345499. The reversal of 140664345460 is 64543466041.

It is a super-2 number, since 2×140664345460² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19968699 + ... + 19975741.

It is an arithmetic number, because the mean of its divisors is an integer number (6179968872).

Almost surely, 2^140664345460 is an apocalyptic number.

140664345460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140664345460 is an abundant number, since it is smaller than the sum of its proper divisors (155974160396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140664345460 is a wasteful number, since it uses less digits than its factorization.

140664345460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112 (or 11110 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 140664345460 in words is "one hundred forty billion, six hundred sixty-four million, three hundred forty-five thousand, four hundred sixty".