141006640 has 20 divisors (see below), whose sum is σ = 327840624. Its totient is φ = 56402624.

The previous prime is 141006623. The next prime is 141006641. The reversal of 141006640 is 46600141.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (141006641) 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, 881212 + ... + 881371.

Almost surely, 2^141006640 is an apocalyptic number.

141006640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141006640 is an abundant number, since it is smaller than the sum of its proper divisors (186833984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141006640 is a wasteful number, since it uses less digits than its factorization.

141006640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762596 (or 1762590 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 141006640 is about 11874.6216781841. The cubic root of 141006640 is about 520.4909564374.

Adding to 141006640 its reverse (46600141), we get a palindrome (187606781).

The spelling of 141006640 in words is "one hundred forty-one million, six thousand, six hundred forty".