140252311 has 8 divisors (see below), whose sum is σ = 144882144. Its totient is φ = 135666720.

The previous prime is 140252291. The next prime is 140252327. The reversal of 140252311 is 113252041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140252311 - 2⁹ = 140251799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140252611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4555 + ... + 17356.

It is an arithmetic number, because the mean of its divisors is an integer number (18110268).

Almost surely, 2^140252311 is an apocalyptic number.

140252311 is a deficient number, since it is larger than the sum of its proper divisors (4629833).

140252311 is a wasteful number, since it uses less digits than its factorization.

140252311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22121.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 140252311 is about 11842.8168524216. The cubic root of 140252311 is about 519.5611571190.

The spelling of 140252311 in words is "one hundred forty million, two hundred fifty-two thousand, three hundred eleven".