140455927 has 2 divisors, whose sum is σ = 140455928. Its totient is φ = 140455926.

The previous prime is 140455901. The next prime is 140455937. The reversal of 140455927 is 729554041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140455927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140455937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70227963 + 70227964.

It is an arithmetic number, because the mean of its divisors is an integer number (70227964).

Almost surely, 2^140455927 is an apocalyptic number.

140455927 is a deficient number, since it is larger than the sum of its proper divisors (1).

140455927 is an equidigital number, since it uses as much as digits as its factorization.

140455927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 140455927 is about 11851.4103380146. The cubic root of 140455927 is about 519.8124656592.

The spelling of 140455927 in words is "one hundred forty million, four hundred fifty-five thousand, nine hundred twenty-seven".