136528408 has 16 divisors (see below), whose sum is σ = 258257880. Its totient is φ = 67659648.

The previous prime is 136528361. The next prime is 136528417. The reversal of 136528408 is 804825631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74610 + ... + 76417.

Almost surely, 2^136528408 is an apocalyptic number.

It is an amenable number.

136528408 is a deficient number, since it is larger than the sum of its proper divisors (121729472).

136528408 is a wasteful number, since it uses less digits than its factorization.

136528408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151146 (or 151142 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 136528408 is about 11684.5371324670. The cubic root of 136528408 is about 514.9214798441.

The spelling of 136528408 in words is "one hundred thirty-six million, five hundred twenty-eight thousand, four hundred eight".