135976198 has 16 divisors (see below), whose sum is σ = 218222640. Its totient is φ = 63352800.

The previous prime is 135976187. The next prime is 135976201. The reversal of 135976198 is 891679531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27013 + ... + 31648.

It is an arithmetic number, because the mean of its divisors is an integer number (13638915).

Almost surely, 2^135976198 is an apocalyptic number.

135976198 is a deficient number, since it is larger than the sum of its proper divisors (82246442).

135976198 is a wasteful number, since it uses less digits than its factorization.

135976198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58743.

The product of its digits is 408240, while the sum is 49.

The square root of 135976198 is about 11660.8832427051. The cubic root of 135976198 is about 514.2263155752.

The spelling of 135976198 in words is "one hundred thirty-five million, nine hundred seventy-six thousand, one hundred ninety-eight".