136688332 has 24 divisors (see below), whose sum is σ = 262204992. Its totient is φ = 61832400.

The previous prime is 136688317. The next prime is 136688353. The reversal of 136688332 is 233886631.

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, 1923 + ... + 16645.

It is an arithmetic number, because the mean of its divisors is an integer number (10925208).

Almost surely, 2^136688332 is an apocalyptic number.

It is an amenable number.

136688332 is a deficient number, since it is larger than the sum of its proper divisors (125516660).

136688332 is a wasteful number, since it uses less digits than its factorization.

136688332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14949 (or 14947 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 136688332 is about 11691.3785329190. The cubic root of 136688332 is about 515.1224543071.

It can be divided in two parts, 1366 and 88332, that added together give a palindrome (89698).

The spelling of 136688332 in words is "one hundred thirty-six million, six hundred eighty-eight thousand, three hundred thirty-two".