141406640 has 60 divisors (see below), whose sum is σ = 334515792. Its totient is φ = 55585920.

The previous prime is 141406633. The next prime is 141406651. The reversal of 141406640 is 46604141.

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 11 ways as a sum of consecutive naturals, for example, 1079375 + ... + 1079505.

Almost surely, 2^141406640 is an apocalyptic number.

141406640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141406640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167257896).

141406640 is an abundant number, since it is smaller than the sum of its proper divisors (193109152).

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

141406640 is a wasteful number, since it uses less digits than its factorization.

141406640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 141406640 is about 11891.4523923699. The cubic root of 141406640 is about 520.9826586379.

The spelling of 141406640 in words is "one hundred forty-one million, four hundred six thousand, six hundred forty".