140521041 has 16 divisors (see below), whose sum is σ = 209097600. Its totient is φ = 93267504.

The previous prime is 140521039. The next prime is 140521049. The reversal of 140521041 is 140125041.

140521041 is a `hidden beast` number, since 140 + 521 + 0 + 4 + 1 = 666.

It is not a de Polignac number, because 140521041 - 2¹ = 140521039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140521049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5181 + ... + 17546.

It is an arithmetic number, because the mean of its divisors is an integer number (13068600).

Almost surely, 2^140521041 is an apocalyptic number.

It is an amenable number.

140521041 is a deficient number, since it is larger than the sum of its proper divisors (68576559).

140521041 is a wasteful number, since it uses less digits than its factorization.

140521041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22965 (or 22959 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 140521041 is about 11854.1571189182. The cubic root of 140521041 is about 519.8927799152.

Adding to 140521041 its reverse (140125041), we get a palindrome (280646082).

The spelling of 140521041 in words is "one hundred forty million, five hundred twenty-one thousand, forty-one".