136409132 has 24 divisors (see below), whose sum is σ = 257414640. Its totient is φ = 63037440.

The previous prime is 136409131. The next prime is 136409137. The reversal of 136409132 is 231904631.

It is a junction number, because it is equal to n+sod(n) for n = 136409095 and 136409104.

It is not an unprimeable number, because it can be changed into a prime (136409131) 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, 18773 + ... + 25004.

It is an arithmetic number, because the mean of its divisors is an integer number (10725610).

Almost surely, 2^136409132 is an apocalyptic number.

It is an amenable number.

136409132 is a deficient number, since it is larger than the sum of its proper divisors (121005508).

136409132 is a wasteful number, since it uses less digits than its factorization.

136409132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43841 (or 43839 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 136409132 is about 11679.4320067373. The cubic root of 136409132 is about 514.7714850076.

The spelling of 136409132 in words is "one hundred thirty-six million, four hundred nine thousand, one hundred thirty-two".