135979106 has 4 divisors (see below), whose sum is σ = 203968662. Its totient is φ = 67989552.

The previous prime is 135979099. The next prime is 135979111. The reversal of 135979106 is 601979531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601979531 = 1861 ⋅323471.

It can be written as a sum of positive squares in only one way, i.e., 75777025 + 60202081 = 8705^2 + 7759^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33994775 + ... + 33994778.

Almost surely, 2^135979106 is an apocalyptic number.

135979106 is a deficient number, since it is larger than the sum of its proper divisors (67989556).

135979106 is an equidigital number, since it uses as much as digits as its factorization.

135979106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67989555.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 135979106 is about 11661.0079324216. The cubic root of 135979106 is about 514.2299813135.

The spelling of 135979106 in words is "one hundred thirty-five million, nine hundred seventy-nine thousand, one hundred six".