136478932 has 6 divisors (see below), whose sum is σ = 238838138. Its totient is φ = 68239464.

The previous prime is 136478921. The next prime is 136478939. The reversal of 136478932 is 239874631.

It can be written as a sum of positive squares in only one way, i.e., 133541136 + 2937796 = 11556^2 + 1714^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136478939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17059863 + ... + 17059870.

Almost surely, 2^136478932 is an apocalyptic number.

It is an amenable number.

136478932 is a deficient number, since it is larger than the sum of its proper divisors (102359206).

136478932 is a wasteful number, since it uses less digits than its factorization.

136478932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34119737 (or 34119735 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 136478932 is about 11682.4197835894. The cubic root of 136478932 is about 514.8592721967.

The spelling of 136478932 in words is "one hundred thirty-six million, four hundred seventy-eight thousand, nine hundred thirty-two".