140848861 has 4 divisors (see below), whose sum is σ = 141384672. Its totient is φ = 140313052.

The previous prime is 140848847. The next prime is 140848867. The reversal of 140848861 is 168848041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140848861 - 2¹³ = 140840669 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140848867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267511 + ... + 268036.

It is an arithmetic number, because the mean of its divisors is an integer number (35346168).

Almost surely, 2^140848861 is an apocalyptic number.

It is an amenable number.

140848861 is a deficient number, since it is larger than the sum of its proper divisors (535811).

140848861 is an equidigital number, since it uses as much as digits as its factorization.

140848861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535810.

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 140848861 is about 11867.9762807313. The cubic root of 140848861 is about 520.2967499992.

The spelling of 140848861 in words is "one hundred forty million, eight hundred forty-eight thousand, eight hundred sixty-one".