169134979 has 8 divisors (see below), whose sum is σ = 191732240. Its totient is φ = 147907296.

The previous prime is 169134967. The next prime is 169135003. The reversal of 169134979 is 979431961.

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 169134979 - 2⁵ = 169134947 is a prime.

It is a super-2 number, since 2×169134979² = 57213282242660882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169134919) 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, 342132 + ... + 342625.

It is an arithmetic number, because the mean of its divisors is an integer number (23966530).

Almost surely, 2^169134979 is an apocalyptic number.

169134979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

169134979 is a deficient number, since it is larger than the sum of its proper divisors (22597261).

169134979 is a wasteful number, since it uses less digits than its factorization.

169134979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684789.

The product of its digits is 367416, while the sum is 49.

The square root of 169134979 is about 13005.1904638110. The cubic root of 169134979 is about 553.0246351951.

The spelling of 169134979 in words is "one hundred sixty-nine million, one hundred thirty-four thousand, nine hundred seventy-nine".