140791885 has 8 divisors (see below), whose sum is σ = 181946520. Its totient is φ = 103969344.

The previous prime is 140791883. The next prime is 140791891. The reversal of 140791885 is 588197041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3175524 + 137616361 = 1782^2 + 11731^2 .

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 140791885 - 2¹ = 140791883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140791883) 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, 1082950 + ... + 1083079.

It is an arithmetic number, because the mean of its divisors is an integer number (22743315).

Almost surely, 2^140791885 is an apocalyptic number.

It is an amenable number.

140791885 is a deficient number, since it is larger than the sum of its proper divisors (41154635).

140791885 is a wasteful number, since it uses less digits than its factorization.

140791885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166047.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 140791885 is about 11865.5756286832. The cubic root of 140791885 is about 520.2265839467.

The spelling of 140791885 in words is "one hundred forty million, seven hundred ninety-one thousand, eight hundred eighty-five".