140528863 has 2 divisors, whose sum is σ = 140528864. Its totient is φ = 140528862.

The previous prime is 140528837. The next prime is 140528881. The reversal of 140528863 is 368825041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140528863 - 2¹³ = 140520671 is a prime.

It is a super-2 number, since 2×140528863² = 39496722672145538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140528803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70264431 + 70264432.

It is an arithmetic number, because the mean of its divisors is an integer number (70264432).

Almost surely, 2^140528863 is an apocalyptic number.

140528863 is a deficient number, since it is larger than the sum of its proper divisors (1).

140528863 is an equidigital number, since it uses as much as digits as its factorization.

140528863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 140528863 is about 11854.4870407791. The cubic root of 140528863 is about 519.9024262188.

The spelling of 140528863 in words is "one hundred forty million, five hundred twenty-eight thousand, eight hundred sixty-three".