132143785 has 8 divisors (see below), whose sum is σ = 159023880. Its totient is φ = 105414144.

The previous prime is 132143783. The next prime is 132143813. The reversal of 132143785 is 587341231.

It can be written as a sum of positive squares in 4 ways, for example, as 3003289 + 129140496 = 1733^2 + 11364^2 .

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 132143785 - 2¹ = 132143783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132143785.

It is not an unprimeable number, because it can be changed into a prime (132143783) 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, 35670 + ... + 39199.

It is an arithmetic number, because the mean of its divisors is an integer number (19877985).

Almost surely, 2^132143785 is an apocalyptic number.

It is an amenable number.

132143785 is a deficient number, since it is larger than the sum of its proper divisors (26880095).

132143785 is an equidigital number, since it uses as much as digits as its factorization.

132143785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75227.

The product of its digits is 20160, while the sum is 34.

The square root of 132143785 is about 11495.3810289177. The cubic root of 132143785 is about 509.3491441077.

The spelling of 132143785 in words is "one hundred thirty-two million, one hundred forty-three thousand, seven hundred eighty-five".