140818071 has 8 divisors (see below), whose sum is σ = 187880560. Its totient is φ = 93817152.

The previous prime is 140818061. The next prime is 140818079. The reversal of 140818071 is 170818041.

140818071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140818071 - 2¹⁷ = 140686999 is a prime.

It is a super-2 number, since 2×140818071² = 39659458240322082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140818079) 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, 9760 + ... + 19413.

It is an arithmetic number, because the mean of its divisors is an integer number (23485070).

Almost surely, 2^140818071 is an apocalyptic number.

140818071 is a deficient number, since it is larger than the sum of its proper divisors (47062489).

140818071 is a wasteful number, since it uses less digits than its factorization.

140818071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30785.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 140818071 is about 11866.6790215291. The cubic root of 140818071 is about 520.2588344059.

Subtracting from 140818071 its sum of digits (30), we obtain a palindrome (140818041).

The spelling of 140818071 in words is "one hundred forty million, eight hundred eighteen thousand, seventy-one".