134299621 has 8 divisors (see below), whose sum is σ = 137586240. Its totient is φ = 131020512.

The previous prime is 134299573. The next prime is 134299637. The reversal of 134299621 is 126992431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134299621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134299651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54216 + ... + 56638.

It is an arithmetic number, because the mean of its divisors is an integer number (17198280).

Almost surely, 2^134299621 is an apocalyptic number.

It is an amenable number.

134299621 is a deficient number, since it is larger than the sum of its proper divisors (3286619).

134299621 is a wasteful number, since it uses less digits than its factorization.

134299621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755.

The product of its digits is 23328, while the sum is 37.

The square root of 134299621 is about 11588.7713326306. The cubic root of 134299621 is about 512.1041111628.

The spelling of 134299621 in words is "one hundred thirty-four million, two hundred ninety-nine thousand, six hundred twenty-one".