140530889 has 2 divisors, whose sum is σ = 140530890. Its totient is φ = 140530888.

The previous prime is 140530867. The next prime is 140530937. The reversal of 140530889 is 988035041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122323600 + 18207289 = 11060^2 + 4267^2 .

It is a cyclic number.

It is not a de Polignac number, because 140530889 - 2²⁴ = 123753673 is a prime.

It is not a weakly prime, because it can be changed into another prime (140530829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70265444 + 70265445.

It is an arithmetic number, because the mean of its divisors is an integer number (70265445).

Almost surely, 2^140530889 is an apocalyptic number.

It is an amenable number.

140530889 is a deficient number, since it is larger than the sum of its proper divisors (1).

140530889 is an equidigital number, since it uses as much as digits as its factorization.

140530889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 140530889 is about 11854.5724933462. The cubic root of 140530889 is about 519.9049246789.

The spelling of 140530889 in words is "one hundred forty million, five hundred thirty thousand, eight hundred eighty-nine".