187320542 has 16 divisors (see below), whose sum is σ = 284981760. Its totient is φ = 92331672.

The previous prime is 187320527. The next prime is 187320557. The reversal of 187320542 is 245023781.

187320542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (187320527) and next prime (187320557).

It is a junction number, because it is equal to n+sod(n) for n = 187320499 and 187320508.

It is a congruent number.

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, 101843 + ... + 103665.

It is an arithmetic number, because the mean of its divisors is an integer number (17811360).

Almost surely, 2^187320542 is an apocalyptic number.

187320542 is a deficient number, since it is larger than the sum of its proper divisors (97661218).

187320542 is a wasteful number, since it uses less digits than its factorization.

187320542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 187320542 is about 13686.5094892745. The cubic root of 187320542 is about 572.1744602078.

The spelling of 187320542 in words is "one hundred eighty-seven million, three hundred twenty thousand, five hundred forty-two".