135736628 has 6 divisors (see below), whose sum is σ = 237539106. Its totient is φ = 67868312.

The previous prime is 135736597. The next prime is 135736637. The reversal of 135736628 is 826637531.

It can be written as a sum of positive squares in only one way, i.e., 118113424 + 17623204 = 10868^2 + 4198^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16967075 + ... + 16967082.

It is an arithmetic number, because the mean of its divisors is an integer number (39589851).

Almost surely, 2^135736628 is an apocalyptic number.

It is an amenable number.

135736628 is a deficient number, since it is larger than the sum of its proper divisors (101802478).

135736628 is a wasteful number, since it uses less digits than its factorization.

135736628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33934161 (or 33934159 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 135736628 is about 11650.6063361526. The cubic root of 135736628 is about 513.9241410757.

The spelling of 135736628 in words is "one hundred thirty-five million, seven hundred thirty-six thousand, six hundred twenty-eight".