140218941 has 8 divisors (see below), whose sum is σ = 197956224. Its totient is φ = 87980480.

The previous prime is 140218909. The next prime is 140218951. The reversal of 140218941 is 149812041.

140218941 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 a cyclic number.

It is not a de Polignac number, because 140218941 - 2⁵ = 140218909 is a prime.

It is a super-2 number, since 2×140218941² = 39322702830322962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140218899 and 140218908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140218901) 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, 1374645 + ... + 1374746.

It is an arithmetic number, because the mean of its divisors is an integer number (24744528).

Almost surely, 2^140218941 is an apocalyptic number.

It is an amenable number.

140218941 is a deficient number, since it is larger than the sum of its proper divisors (57737283).

140218941 is a wasteful number, since it uses less digits than its factorization.

140218941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749411.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 140218941 is about 11841.4078977122. The cubic root of 140218941 is about 519.5199477421.

The spelling of 140218941 in words is "one hundred forty million, two hundred eighteen thousand, nine hundred forty-one".