134425621 has 8 divisors (see below), whose sum is σ = 147009600. Its totient is φ = 121902240.

The previous prime is 134425597. The next prime is 134425663. The reversal of 134425621 is 126524431.

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 134425621 - 2⁷ = 134425493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134425621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134425321) 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, 10441 + ... + 19438.

It is an arithmetic number, because the mean of its divisors is an integer number (18376200).

Almost surely, 2^134425621 is an apocalyptic number.

134425621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134425621 is a deficient number, since it is larger than the sum of its proper divisors (12583979).

134425621 is a wasteful number, since it uses less digits than its factorization.

134425621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30299.

The product of its digits is 5760, while the sum is 28.

The square root of 134425621 is about 11594.2063548998. The cubic root of 134425621 is about 512.2642132511.

The spelling of 134425621 in words is "one hundred thirty-four million, four hundred twenty-five thousand, six hundred twenty-one".