140999141 has 4 divisors (see below), whose sum is σ = 141403500. Its totient is φ = 140594784.

The previous prime is 140999137. The next prime is 140999149. The reversal of 140999141 is 141999041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 127464100 + 13535041 = 11290^2 + 3679^2 .

It is a cyclic number.

It is not a de Polignac number, because 140999141 - 2² = 140999137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140999095 and 140999104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140999149) 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, 201656 + ... + 202353.

It is an arithmetic number, because the mean of its divisors is an integer number (35350875).

Almost surely, 2^140999141 is an apocalyptic number.

It is an amenable number.

140999141 is a deficient number, since it is larger than the sum of its proper divisors (404359).

140999141 is an equidigital number, since it uses as much as digits as its factorization.

140999141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404358.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 140999141 is about 11874.3059165578. The cubic root of 140999141 is about 520.4817293758.

The spelling of 140999141 in words is "one hundred forty million, nine hundred ninety-nine thousand, one hundred forty-one".