136371831 has 8 divisors (see below), whose sum is σ = 182945280. Its totient is φ = 90356472.

The previous prime is 136371827. The next prime is 136371881. The reversal of 136371831 is 138173631.

136371831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 136371831 - 2² = 136371827 is a prime.

It is a super-2 number, since 2×136371831² = 37194552580585122, which contains 22 as substring.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 136371792 and 136371801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136371881) 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, 138951 + ... + 139928.

It is an arithmetic number, because the mean of its divisors is an integer number (22868160).

Almost surely, 2^136371831 is an apocalyptic number.

136371831 is a deficient number, since it is larger than the sum of its proper divisors (46573449).

136371831 is a wasteful number, since it uses less digits than its factorization.

136371831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279045.

The product of its digits is 9072, while the sum is 33.

The square root of 136371831 is about 11677.8350305183. The cubic root of 136371831 is about 514.7245594063.

The spelling of 136371831 in words is "one hundred thirty-six million, three hundred seventy-one thousand, eight hundred thirty-one".