134802979 has 8 divisors (see below), whose sum is σ = 146052720. Its totient is φ = 123922176.

The previous prime is 134802971. The next prime is 134802989. The reversal of 134802979 is 979208431.

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 134802979 - 2³ = 134802971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134802971) by changing a digit.

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, 91474 + ... + 92935.

It is an arithmetic number, because the mean of its divisors is an integer number (18256590).

Almost surely, 2^134802979 is an apocalyptic number.

134802979 is a deficient number, since it is larger than the sum of its proper divisors (11249741).

134802979 is a wasteful number, since it uses less digits than its factorization.

134802979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184469.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 134802979 is about 11610.4685090654. The cubic root of 134802979 is about 512.7431060794.

The spelling of 134802979 in words is "one hundred thirty-four million, eight hundred two thousand, nine hundred seventy-nine".