140818718 has 12 divisors (see below), whose sum is σ = 224385072. Its totient is φ = 66267360.

The previous prime is 140818681. The next prime is 140818729. The reversal of 140818718 is 817818041.

It is a super-2 number, since 2×140818718² = 39659822678327048, which 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121238 + ... + 122393.

It is an arithmetic number, because the mean of its divisors is an integer number (18698756).

Almost surely, 2^140818718 is an apocalyptic number.

140818718 is a deficient number, since it is larger than the sum of its proper divisors (83566354).

140818718 is a wasteful number, since it uses less digits than its factorization.

140818718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243667 (or 243650 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 38.

The square root of 140818718 is about 11866.7062827054. The cubic root of 140818718 is about 520.2596311951.

The spelling of 140818718 in words is "one hundred forty million, eight hundred eighteen thousand, seven hundred eighteen".