140654141 has 4 divisors (see below), whose sum is σ = 148927932. Its totient is φ = 132380352.

The previous prime is 140654123. The next prime is 140654159. The reversal of 140654141 is 141456041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141456041 = 47 ⋅3009703.

It is an interprime number because it is at equal distance from previous prime (140654123) and next prime (140654159).

It can be written as a sum of positive squares in 2 ways, for example, as 56400100 + 84254041 = 7510^2 + 9179^2 .

It is a cyclic number.

It is not a de Polignac number, because 140654141 - 2²² = 136459837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140654141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140654191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4136870 + ... + 4136903.

It is an arithmetic number, because the mean of its divisors is an integer number (37231983).

Almost surely, 2^140654141 is an apocalyptic number.

It is an amenable number.

140654141 is a deficient number, since it is larger than the sum of its proper divisors (8273791).

140654141 is an equidigital number, since it uses as much as digits as its factorization.

140654141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273790.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 140654141 is about 11859.7698544280. The cubic root of 140654141 is about 520.0568737103.

The spelling of 140654141 in words is "one hundred forty million, six hundred fifty-four thousand, one hundred forty-one".