141207640 has 64 divisors (see below), whose sum is σ = 368271360. Its totient is φ = 47725440.

The previous prime is 141207613. The next prime is 141207643. The reversal of 141207640 is 46702141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141207643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16329 + ... + 23431.

It is an arithmetic number, because the mean of its divisors is an integer number (5754240).

Almost surely, 2^141207640 is an apocalyptic number.

141207640 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 141207640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184135680).

141207640 is an abundant number, since it is smaller than the sum of its proper divisors (227063720).

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

141207640 is a wasteful number, since it uses less digits than its factorization.

141207640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192 (or 7188 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 141207640 is about 11883.0820917807. The cubic root of 141207640 is about 520.7381528614.

Adding to 141207640 its reverse (46702141), we get a palindrome (187909781).

The spelling of 141207640 in words is "one hundred forty-one million, two hundred seven thousand, six hundred forty".