140130641 has 24 divisors (see below), whose sum is σ = 169019136. Its totient is φ = 115765440.

The previous prime is 140130629. The next prime is 140130667. The reversal of 140130641 is 146031041.

It is not a de Polignac number, because 140130641 - 2²⁶ = 73021777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140130671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163085 + ... + 163941.

It is an arithmetic number, because the mean of its divisors is an integer number (7042464).

Almost surely, 2^140130641 is an apocalyptic number.

It is an amenable number.

140130641 is a deficient number, since it is larger than the sum of its proper divisors (28888495).

140130641 is an equidigital number, since it uses as much as digits as its factorization.

140130641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 140130641 is about 11837.6788687648. The cubic root of 140130641 is about 519.4108725017.

Adding to 140130641 its reverse (146031041), we get a palindrome (286161682).

The spelling of 140130641 in words is "one hundred forty million, one hundred thirty thousand, six hundred forty-one".