140473727 has 2 divisors, whose sum is σ = 140473728. Its totient is φ = 140473726.

The previous prime is 140473693. The next prime is 140473747. The reversal of 140473727 is 727374041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140473727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140473747) 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, 70236863 + 70236864.

It is an arithmetic number, because the mean of its divisors is an integer number (70236864).

Almost surely, 2^140473727 is an apocalyptic number.

140473727 is a deficient number, since it is larger than the sum of its proper divisors (1).

140473727 is an equidigital number, since it uses as much as digits as its factorization.

140473727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 140473727 is about 11852.1612796992. The cubic root of 140473727 is about 519.8344233681.

The spelling of 140473727 in words is "one hundred forty million, four hundred seventy-three thousand, seven hundred twenty-seven".