140684927 has 2 divisors, whose sum is σ = 140684928. Its totient is φ = 140684926.

The previous prime is 140684923. The next prime is 140684933. The reversal of 140684927 is 729486041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140684927 - 2² = 140684923 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140684923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70342463 + 70342464.

It is an arithmetic number, because the mean of its divisors is an integer number (70342464).

Almost surely, 2^140684927 is an apocalyptic number.

140684927 is a deficient number, since it is larger than the sum of its proper divisors (1).

140684927 is an equidigital number, since it uses as much as digits as its factorization.

140684927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 140684927 is about 11861.0677006752. The cubic root of 140684927 is about 520.0948138255.

The spelling of 140684927 in words is "one hundred forty million, six hundred eighty-four thousand, nine hundred twenty-seven".