187439342 has 16 divisors (see below), whose sum is σ = 286848000. Its totient is φ = 91833720.

The previous prime is 187439341. The next prime is 187439353. The reversal of 187439342 is 243934781.

187439342 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 187439342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187439341) 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, 36659 + ... + 41457.

It is an arithmetic number, because the mean of its divisors is an integer number (17928000).

Almost surely, 2^187439342 is an apocalyptic number.

187439342 is a deficient number, since it is larger than the sum of its proper divisors (99408658).

187439342 is a wasteful number, since it uses less digits than its factorization.

187439342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191.

The product of its digits is 145152, while the sum is 41.

The square root of 187439342 is about 13690.8488414707. The cubic root of 187439342 is about 572.2953936628.

It can be divided in two parts, 187439 and 342, that added together give a palindrome (187781).

The spelling of 187439342 in words is "one hundred eighty-seven million, four hundred thirty-nine thousand, three hundred forty-two".