140548867 has 2 divisors, whose sum is σ = 140548868. Its totient is φ = 140548866.

The previous prime is 140548817. The next prime is 140548879. The reversal of 140548867 is 768845041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140548867 is a prime.

It is not a weakly prime, because it can be changed into another prime (140548817) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70274433 + 70274434.

It is an arithmetic number, because the mean of its divisors is an integer number (70274434).

Almost surely, 2^140548867 is an apocalyptic number.

140548867 is a deficient number, since it is larger than the sum of its proper divisors (1).

140548867 is an equidigital number, since it uses as much as digits as its factorization.

140548867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 140548867 is about 11855.3307419068. The cubic root of 140548867 is about 519.9270940687.

The spelling of 140548867 in words is "one hundred forty million, five hundred forty-eight thousand, eight hundred sixty-seven".