135990179 has 8 divisors (see below), whose sum is σ = 147874272. Its totient is φ = 124309440.

The previous prime is 135990161. The next prime is 135990181. The reversal of 135990179 is 971099531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135990179 - 2¹² = 135986083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135990109) 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, 49442 + ... + 52119.

It is an arithmetic number, because the mean of its divisors is an integer number (18484284).

Almost surely, 2^135990179 is an apocalyptic number.

135990179 is a deficient number, since it is larger than the sum of its proper divisors (11884093).

135990179 is a wasteful number, since it uses less digits than its factorization.

135990179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101677.

The product of its (nonzero) digits is 76545, while the sum is 44.

The square root of 135990179 is about 11661.4827101874. The cubic root of 135990179 is about 514.2439391295.

The spelling of 135990179 in words is "one hundred thirty-five million, nine hundred ninety thousand, one hundred seventy-nine".