140550147 has 20 divisors (see below), whose sum is σ = 210362856. Its totient is φ = 93519360.

The previous prime is 140550139. The next prime is 140550149. The reversal of 140550147 is 741055041.

It is a happy number.

It is not a de Polignac number, because 140550147 - 2³ = 140550139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 140550147.

It is not an unprimeable number, because it can be changed into a prime (140550149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50568 + ... + 53274.

Almost surely, 2^140550147 is an apocalyptic number.

140550147 is a deficient number, since it is larger than the sum of its proper divisors (69812709).

140550147 is an equidigital number, since it uses as much as digits as its factorization.

140550147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3351 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 140550147 is about 11855.3847259378. The cubic root of 140550147 is about 519.9286724158.

The spelling of 140550147 in words is "one hundred forty million, five hundred fifty thousand, one hundred forty-seven".