187272835131 has 24 divisors (see below), whose sum is σ = 251980118544. Its totient is φ = 123717222720.

The previous prime is 187272835063. The next prime is 187272835157. The reversal of 187272835131 is 131538272781.

It is a happy number.

187272835131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 187272835131 - 2¹⁵ = 187272802363 is a prime.

It is a super-2 number, since 2×187272835131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (187272835831) 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 23 ways as a sum of consecutive naturals, for example, 52885221 + ... + 52888761.

It is an arithmetic number, because the mean of its divisors is an integer number (10499171606).

Almost surely, 2^187272835131 is an apocalyptic number.

187272835131 is a deficient number, since it is larger than the sum of its proper divisors (64707283413).

187272835131 is a wasteful number, since it uses less digits than its factorization.

187272835131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4891 (or 4764 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The spelling of 187272835131 in words is "one hundred eighty-seven billion, two hundred seventy-two million, eight hundred thirty-five thousand, one hundred thirty-one".