140669471918 has 8 divisors (see below), whose sum is σ = 211008938448. Its totient is φ = 70333159104.

The previous prime is 140669471911. The next prime is 140669471927. The reversal of 140669471918 is 819174966041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140669471911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673571 + ... + 857342.

It is an arithmetic number, because the mean of its divisors is an integer number (26376117306).

Almost surely, 2^140669471918 is an apocalyptic number.

140669471918 is a deficient number, since it is larger than the sum of its proper divisors (70339466530).

140669471918 is a wasteful number, since it uses less digits than its factorization.

140669471918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576858.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 140669471918 in words is "one hundred forty billion, six hundred sixty-nine million, four hundred seventy-one thousand, nine hundred eighteen".