187241538 has 16 divisors (see below), whose sum is σ = 408527136. Its totient is φ = 56739840.

The previous prime is 187241521. The next prime is 187241543. The reversal of 187241538 is 835142781.

187241538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 187241496 and 187241505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418431 + ... + 1418562.

It is an arithmetic number, because the mean of its divisors is an integer number (25532946).

Almost surely, 2^187241538 is an apocalyptic number.

187241538 is an abundant number, since it is smaller than the sum of its proper divisors (221285598).

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

187241538 is a wasteful number, since it uses less digits than its factorization.

187241538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837009.

The product of its digits is 53760, while the sum is 39.

The square root of 187241538 is about 13683.6229851600. The cubic root of 187241538 is about 572.0940091138.

The spelling of 187241538 in words is "one hundred eighty-seven million, two hundred forty-one thousand, five hundred thirty-eight".