141378985 has 16 divisors (see below), whose sum is σ = 186419520. Its totient is φ = 102075840.

The previous prime is 141378983. The next prime is 141378997. The reversal of 141378985 is 589873141.

It is a happy number.

It is not a de Polignac number, because 141378985 - 2¹ = 141378983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141378983) 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 15 ways as a sum of consecutive naturals, for example, 1602 + ... + 16891.

It is an arithmetic number, because the mean of its divisors is an integer number (11651220).

Almost surely, 2^141378985 is an apocalyptic number.

It is an amenable number.

141378985 is a deficient number, since it is larger than the sum of its proper divisors (45040535).

141378985 is a wasteful number, since it uses less digits than its factorization.

141378985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18648.

The product of its digits is 241920, while the sum is 46.

The square root of 141378985 is about 11890.2895254910. The cubic root of 141378985 is about 520.9486934371.

It can be divided in two parts, 14137898 and 5, that added together give a triangular number (14137903 = T₅₃₁₇).

The spelling of 141378985 in words is "one hundred forty-one million, three hundred seventy-eight thousand, nine hundred eighty-five".