140263135 has 4 divisors (see below), whose sum is σ = 168315768. Its totient is φ = 112210504.

The previous prime is 140263121. The next prime is 140263153. The reversal of 140263135 is 531362041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140263135 - 2⁹ = 140262623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14026309 + ... + 14026318.

It is an arithmetic number, because the mean of its divisors is an integer number (42078942).

Almost surely, 2^140263135 is an apocalyptic number.

140263135 is a deficient number, since it is larger than the sum of its proper divisors (28052633).

140263135 is an equidigital number, since it uses as much as digits as its factorization.

140263135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28052632.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 140263135 is about 11843.2738294781. The cubic root of 140263135 is about 519.5745225204.

It can be divided in two parts, 14026 and 3135, that added together give a square (17161 = 131²).

The spelling of 140263135 in words is "one hundred forty million, two hundred sixty-three thousand, one hundred thirty-five".