136215532 has 12 divisors (see below), whose sum is σ = 239695456. Its totient is φ = 67731120.

The previous prime is 136215517. The next prime is 136215539. The reversal of 136215532 is 235512631.

It is a self number, because there is not a number n which added to its sum of digits gives 136215532.

It is not an unprimeable number, because it can be changed into a prime (136215539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93348 + ... + 94795.

Almost surely, 2^136215532 is an apocalyptic number.

It is an amenable number.

136215532 is a deficient number, since it is larger than the sum of its proper divisors (103479924).

136215532 is a wasteful number, since it uses less digits than its factorization.

136215532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188328 (or 188326 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 136215532 is about 11671.1409896376. The cubic root of 136215532 is about 514.5278382103.

The spelling of 136215532 in words is "one hundred thirty-six million, two hundred fifteen thousand, five hundred thirty-two".