135639356 has 24 divisors (see below), whose sum is σ = 244890576. Its totient is φ = 65704320.

The previous prime is 135639341. The next prime is 135639359. The reversal of 135639356 is 653936531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135639359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12200 + ... + 20496.

It is an arithmetic number, because the mean of its divisors is an integer number (10203774).

Almost surely, 2^135639356 is an apocalyptic number.

It is an amenable number.

135639356 is a deficient number, since it is larger than the sum of its proper divisors (109251220).

135639356 is a wasteful number, since it uses less digits than its factorization.

135639356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429 (or 8427 counting only the distinct ones).

The product of its digits is 218700, while the sum is 41.

The square root of 135639356 is about 11646.4310413105. The cubic root of 135639356 is about 513.8013484392.

The spelling of 135639356 in words is "one hundred thirty-five million, six hundred thirty-nine thousand, three hundred fifty-six".