135999196 has 12 divisors (see below), whose sum is σ = 243533752. Its totient is φ = 66418128.

The previous prime is 135999179. The next prime is 135999197. The reversal of 135999196 is 691999531.

135999196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135999197) 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, 395175 + ... + 395518.

Almost surely, 2^135999196 is an apocalyptic number.

It is an amenable number.

135999196 is a deficient number, since it is larger than the sum of its proper divisors (107534556).

135999196 is a wasteful number, since it uses less digits than its factorization.

135999196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790740 (or 790738 counting only the distinct ones).

The product of its digits is 590490, while the sum is 52.

The square root of 135999196 is about 11661.8693184240. The cubic root of 135999196 is about 514.2553047422.

The spelling of 135999196 in words is "one hundred thirty-five million, nine hundred ninety-nine thousand, one hundred ninety-six".