140473668 has 24 divisors (see below), whose sum is σ = 328099968. Its totient is φ = 46777696.

The previous prime is 140473661. The next prime is 140473687. The reversal of 140473668 is 866374041.

140473668 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140473661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7930 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (13670832).

Almost surely, 2^140473668 is an apocalyptic number.

It is an amenable number.

140473668 is an abundant number, since it is smaller than the sum of its proper divisors (187626300).

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

140473668 is a wasteful number, since it uses less digits than its factorization.

140473668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723 (or 11721 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 140473668 is about 11852.1587907014. The cubic root of 140473668 is about 519.8343505900.

It can be divided in two parts, 140473 and 668, that added together give a palindrome (141141).

The spelling of 140473668 in words is "one hundred forty million, four hundred seventy-three thousand, six hundred sixty-eight".