136822131 has 6 divisors (see below), whose sum is σ = 197631980. Its totient is φ = 91214748.

The previous prime is 136822117. The next prime is 136822151. The reversal of 136822131 is 131228631.

It is a happy number.

It is not a de Polignac number, because 136822131 - 2⁵ = 136822099 is a prime.

It is a super-2 number, since 2×136822131² = 37440591062762322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136822095 and 136822104.

It is not an unprimeable number, because it can be changed into a prime (136822151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7601221 + ... + 7601238.

Almost surely, 2^136822131 is an apocalyptic number.

136822131 is a deficient number, since it is larger than the sum of its proper divisors (60809849).

136822131 is a wasteful number, since it uses less digits than its factorization.

136822131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15202465 (or 15202462 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 136822131 is about 11697.0992557984. The cubic root of 136822131 is about 515.2904774095.

The spelling of 136822131 in words is "one hundred thirty-six million, eight hundred twenty-two thousand, one hundred thirty-one".