140780941 has 4 divisors (see below), whose sum is σ = 160892512. Its totient is φ = 120669372.

The previous prime is 140780929. The next prime is 140780947. The reversal of 140780941 is 149087041.

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 140780941 - 2⁵ = 140780909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140780897 and 140780906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140780947) 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, 10055775 + ... + 10055788.

It is an arithmetic number, because the mean of its divisors is an integer number (40223128).

Almost surely, 2^140780941 is an apocalyptic number.

It is an amenable number.

140780941 is a deficient number, since it is larger than the sum of its proper divisors (20111571).

140780941 is an equidigital number, since it uses as much as digits as its factorization.

140780941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111570.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 140780941 is about 11865.1144537253. The cubic root of 140780941 is about 520.2131042226.

The spelling of 140780941 in words is "one hundred forty million, seven hundred eighty thousand, nine hundred forty-one".