187240000039 has 8 divisors (see below), whose sum is σ = 187678526000. Its totient is φ = 186801728256.

The previous prime is 187240000019. The next prime is 187240000049. The reversal of 187240000039 is 930000042781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 187240000039 - 2⁵ = 187240000007 is a prime.

It is a super-2 number, since 2×187240000039² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 187239999959 and 187240000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187240000019) 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, 1453687 + ... + 1577239.

It is an arithmetic number, because the mean of its divisors is an integer number (23459815750).

Almost surely, 2^187240000039 is an apocalyptic number.

187240000039 is a deficient number, since it is larger than the sum of its proper divisors (438525961).

187240000039 is a wasteful number, since it uses less digits than its factorization.

187240000039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127089.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 187240000039 in words is "one hundred eighty-seven billion, two hundred forty million, thirty-nine", and thus it is an aban number.