141421240 has 32 divisors (see below), whose sum is σ = 319608000. Its totient is φ = 56317824.

The previous prime is 141421223. The next prime is 141421243. The reversal of 141421240 is 42124141.

141421240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141421243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441 + ... + 16879.

It is an arithmetic number, because the mean of its divisors is an integer number (9987750).

Almost surely, 2^141421240 is an apocalyptic number.

141421240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141421240 is an abundant number, since it is smaller than the sum of its proper divisors (178186760).

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

141421240 is a wasteful number, since it uses less digits than its factorization.

141421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679 (or 15675 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 141421240 is about 11892.0662628494. The cubic root of 141421240 is about 521.0005882180. Note that the first 3 decimals are identical.

Adding to 141421240 its reverse (42124141), we get a palindrome (183545381).

The spelling of 141421240 in words is "one hundred forty-one million, four hundred twenty-one thousand, two hundred forty".