140553241 has 4 divisors (see below), whose sum is σ = 147950800. Its totient is φ = 133155684.

The previous prime is 140553187. The next prime is 140553247. The reversal of 140553241 is 142355041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140553241 - 2²³ = 132164633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140553247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3698751 + ... + 3698788.

It is an arithmetic number, because the mean of its divisors is an integer number (36987700).

Almost surely, 2^140553241 is an apocalyptic number.

It is an amenable number.

140553241 is a deficient number, since it is larger than the sum of its proper divisors (7397559).

140553241 is an equidigital number, since it uses as much as digits as its factorization.

140553241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7397558.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 140553241 is about 11855.5152144477. The cubic root of 140553241 is about 519.9324875369.

The spelling of 140553241 in words is "one hundred forty million, five hundred fifty-three thousand, two hundred forty-one".