141963865 has 8 divisors (see below), whose sum is σ = 172113480. Its totient is φ = 112399872.

The previous prime is 141963841. The next prime is 141963893. The reversal of 141963865 is 568369141.

It can be written as a sum of positive squares in 4 ways, for example, as 68121 + 141895744 = 261^2 + 11912^2 .

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 141963865 - 2²³ = 133575257 is a prime.

It is a super-3 number, since 3×141963865³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 145870 + ... + 146839.

It is an arithmetic number, because the mean of its divisors is an integer number (21514185).

Almost surely, 2^141963865 is an apocalyptic number.

It is an amenable number.

141963865 is a deficient number, since it is larger than the sum of its proper divisors (30149615).

141963865 is an equidigital number, since it uses as much as digits as its factorization.

141963865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292811.

The product of its digits is 155520, while the sum is 43.

The square root of 141963865 is about 11914.8590004246. The cubic root of 141963865 is about 521.6660873444. Note that the first 3 decimals are identical.

The spelling of 141963865 in words is "one hundred forty-one million, nine hundred sixty-three thousand, eight hundred sixty-five".