250042136 has 16 divisors (see below), whose sum is σ = 469400400. Its totient is φ = 124868704.

The previous prime is 250042127. The next prime is 250042139. The reversal of 250042136 is 631240052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250042139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11915 + ... + 25338.

It is an arithmetic number, because the mean of its divisors is an integer number (29337525).

Almost surely, 2^250042136 is an apocalyptic number.

It is an amenable number.

250042136 is a deficient number, since it is larger than the sum of its proper divisors (219358264).

250042136 is a wasteful number, since it uses less digits than its factorization.

250042136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38098 (or 38094 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 250042136 is about 15812.7207020171. The cubic root of 250042136 is about 629.9959149815.

Adding to 250042136 its reverse (631240052), we get a palindrome (881282188).

The spelling of 250042136 in words is "two hundred fifty million, forty-two thousand, one hundred thirty-six".