140748841 has 4 divisors (see below), whose sum is σ = 140812672. Its totient is φ = 140685012.

The previous prime is 140748823. The next prime is 140748863. The reversal of 140748841 is 148847041.

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 140748841 - 2⁵ = 140748809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140748841.

It is not an unprimeable number, because it can be changed into a prime (140748241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28485 + ... + 33058.

It is an arithmetic number, because the mean of its divisors is an integer number (35203168).

Almost surely, 2^140748841 is an apocalyptic number.

It is an amenable number.

140748841 is a deficient number, since it is larger than the sum of its proper divisors (63831).

140748841 is an equidigital number, since it uses as much as digits as its factorization.

140748841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63830.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 140748841 is about 11863.7616715779. The cubic root of 140748841 is about 520.1735626249.

The spelling of 140748841 in words is "one hundred forty million, seven hundred forty-eight thousand, eight hundred forty-one".