140104541 has 2 divisors, whose sum is σ = 140104542. Its totient is φ = 140104540.

The previous prime is 140104529. The next prime is 140104577. The reversal of 140104541 is 145401041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138062500 + 2042041 = 11750^2 + 1429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140104541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140104501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70052270 + 70052271.

It is an arithmetic number, because the mean of its divisors is an integer number (70052271).

Almost surely, 2^140104541 is an apocalyptic number.

It is an amenable number.

140104541 is a deficient number, since it is larger than the sum of its proper divisors (1).

140104541 is an equidigital number, since it uses as much as digits as its factorization.

140104541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 140104541 is about 11836.5764053632. The cubic root of 140104541 is about 519.3786229156.

Adding to 140104541 its reverse (145401041), we get a palindrome (285505582).

The spelling of 140104541 in words is "one hundred forty million, one hundred four thousand, five hundred forty-one".