140211018 has 12 divisors (see below), whose sum is σ = 303790578. Its totient is φ = 46737000.

The previous prime is 140210989. The next prime is 140211031. The reversal of 140211018 is 810112041.

140211018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136960209 + 3250809 = 11703^2 + 1803^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7789501 = 140211018 / (1 + 4 + 0 + 2 + 1 + 1 + 0 + 1 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3894733 + ... + 3894768.

Almost surely, 2^140211018 is an apocalyptic number.

140211018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140211018 is an abundant number, since it is smaller than the sum of its proper divisors (163579560).

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

140211018 is a wasteful number, since it uses less digits than its factorization.

140211018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7789509 (or 7789506 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 140211018 is about 11841.0733466185. The cubic root of 140211018 is about 519.5101624876.

Adding to 140211018 its reverse (810112041), we get a palindrome (950323059).

The spelling of 140211018 in words is "one hundred forty million, two hundred eleven thousand, eighteen".