187139299216 has 45 divisors (see below), whose sum is σ = 367285363419. Its totient is φ = 92371358688.

The previous prime is 187139299213. The next prime is 187139299253. The reversal of 187139299216 is 612992931781.

The square root of 187139299216 is 432596.

It is a perfect power (a square), and thus also a powerful number.

187139299216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×187139299216² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (187139299213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 143621221 + ... + 143622523.

Almost surely, 2^187139299216 is an apocalyptic number.

187139299216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

187139299216 is the 432596-th square number.

It is an amenable number.

187139299216 is a deficient number, since it is larger than the sum of its proper divisors (180146064203).

187139299216 is an frugal number, since it uses more digits than its factorization.

187139299216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 1388 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 58.

The spelling of 187139299216 in words is "one hundred eighty-seven billion, one hundred thirty-nine million, two hundred ninety-nine thousand, two hundred sixteen".