136532138 has 16 divisors (see below), whose sum is σ = 220593120. Its totient is φ = 63168336.

The previous prime is 136532129. The next prime is 136532147. The reversal of 136532138 is 831235631.

It is an interprime number because it is at equal distance from previous prime (136532129) and next prime (136532147).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40145 + ... + 43412.

It is an arithmetic number, because the mean of its divisors is an integer number (13787070).

Almost surely, 2^136532138 is an apocalyptic number.

136532138 is a deficient number, since it is larger than the sum of its proper divisors (84060982).

136532138 is a wasteful number, since it uses less digits than its factorization.

136532138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83621.

The product of its digits is 12960, while the sum is 32.

The square root of 136532138 is about 11684.6967440323. The cubic root of 136532138 is about 514.9261690748.

Adding to 136532138 its reverse (831235631), we get a palindrome (967767769).

The spelling of 136532138 in words is "one hundred thirty-six million, five hundred thirty-two thousand, one hundred thirty-eight".