134874921 has 8 divisors (see below), whose sum is σ = 187652160. Its totient is φ = 86007152.

The previous prime is 134874919. The next prime is 134874931. The reversal of 134874921 is 129478431.

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 134874921 - 2¹ = 134874919 is a prime.

It is a super-3 number, since 3×134874921³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134874921.

It is not an unprimeable number, because it can be changed into a prime (134874931) 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, 977286 + ... + 977423.

It is an arithmetic number, because the mean of its divisors is an integer number (23456520).

Almost surely, 2^134874921 is an apocalyptic number.

It is an amenable number.

134874921 is a deficient number, since it is larger than the sum of its proper divisors (52777239).

134874921 is a wasteful number, since it uses less digits than its factorization.

134874921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954735.

The product of its digits is 48384, while the sum is 39.

The square root of 134874921 is about 11613.5662481427. The cubic root of 134874921 is about 512.8343038770.

The spelling of 134874921 in words is "one hundred thirty-four million, eight hundred seventy-four thousand, nine hundred twenty-one".