140437447468 has 12 divisors (see below), whose sum is σ = 247013075232. Its totient is φ = 69862283120.

The previous prime is 140437447417. The next prime is 140437447481. The reversal of 140437447468 is 864744734041.

It is a super-2 number, since 2×140437447468² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 89109268 + ... + 89110843.

It is an arithmetic number, because the mean of its divisors is an integer number (20584422936).

Almost surely, 2^140437447468 is an apocalyptic number.

It is an amenable number.

140437447468 is a deficient number, since it is larger than the sum of its proper divisors (106575627764).

140437447468 is a wasteful number, since it uses less digits than its factorization.

140437447468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178220312 (or 178220310 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 52.

The spelling of 140437447468 in words is "one hundred forty billion, four hundred thirty-seven million, four hundred forty-seven thousand, four hundred sixty-eight".