140804771 has 2 divisors, whose sum is σ = 140804772. Its totient is φ = 140804770.

The previous prime is 140804707. The next prime is 140804791. The reversal of 140804771 is 177408041.

It is a strong prime.

It is an emirp because it is prime and its reverse (177408041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140804771 - 2⁶ = 140804707 is a prime.

It is not a weakly prime, because it can be changed into another prime (140804791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70402385 + 70402386.

It is an arithmetic number, because the mean of its divisors is an integer number (70402386).

Almost surely, 2^140804771 is an apocalyptic number.

140804771 is a deficient number, since it is larger than the sum of its proper divisors (1).

140804771 is an equidigital number, since it uses as much as digits as its factorization.

140804771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 140804771 is about 11866.1186156215. The cubic root of 140804771 is about 520.2424547365.

The spelling of 140804771 in words is "one hundred forty million, eight hundred four thousand, seven hundred seventy-one".