140530867 has 2 divisors, whose sum is σ = 140530868. Its totient is φ = 140530866.

The previous prime is 140530829. The next prime is 140530889. The reversal of 140530867 is 768035041.

It is a strong prime.

It is an emirp because it is prime and its reverse (768035041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140530867 - 2²³ = 132142259 is a prime.

It is not a weakly prime, because it can be changed into another prime (140530367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70265433 + 70265434.

It is an arithmetic number, because the mean of its divisors is an integer number (70265434).

Almost surely, 2^140530867 is an apocalyptic number.

140530867 is a deficient number, since it is larger than the sum of its proper divisors (1).

140530867 is an equidigital number, since it uses as much as digits as its factorization.

140530867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 140530867 is about 11854.5715654342. The cubic root of 140530867 is about 519.9048975487.

The spelling of 140530867 in words is "one hundred forty million, five hundred thirty thousand, eight hundred sixty-seven".