140004941 has 8 divisors (see below), whose sum is σ = 141830040. Its totient is φ = 138189888.

The previous prime is 140004937. The next prime is 140004961. The reversal of 140004941 is 149400041.

It can be written as a sum of positive squares in 4 ways, for example, as 4748041 + 135256900 = 2179^2 + 11630^2 .

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 140004941 - 2² = 140004937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140004961) 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, 27875 + ... + 32511.

It is an arithmetic number, because the mean of its divisors is an integer number (17728755).

Almost surely, 2^140004941 is an apocalyptic number.

It is an amenable number.

140004941 is a deficient number, since it is larger than the sum of its proper divisors (1825099).

140004941 is a wasteful number, since it uses less digits than its factorization.

140004941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 140004941 is about 11832.3683597156. The cubic root of 140004941 is about 519.2555187117.

Adding to 140004941 its reverse (149400041), we get a palindrome (289404982).

The spelling of 140004941 in words is "one hundred forty million, four thousand, nine hundred forty-one".