141939138 has 64 divisors (see below), whose sum is σ = 317260800. Its totient is φ = 41976000.

The previous prime is 141939121. The next prime is 141939169. The reversal of 141939138 is 831939141.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 141939096 and 141939105.

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 31 ways as a sum of consecutive naturals, for example, 713163 + ... + 713361.

It is an arithmetic number, because the mean of its divisors is an integer number (4957200).

Almost surely, 2^141939138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141939138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158630400).

141939138 is an abundant number, since it is smaller than the sum of its proper divisors (175321662).

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

141939138 is a wasteful number, since it uses less digits than its factorization.

141939138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its digits is 23328, while the sum is 39.

The square root of 141939138 is about 11913.8213013290. The cubic root of 141939138 is about 521.6357979786.

The spelling of 141939138 in words is "one hundred forty-one million, nine hundred thirty-nine thousand, one hundred thirty-eight".