134010421 has 4 divisors (see below), whose sum is σ = 138631500. Its totient is φ = 129389344.

The previous prime is 134010419. The next prime is 134010433. The reversal of 134010421 is 124010431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124010431 = 877 ⋅141403.

It can be written as a sum of positive squares in 2 ways, for example, as 102212100 + 31798321 = 10110^2 + 5639^2 .

It is a cyclic number.

It is not a de Polignac number, because 134010421 - 2¹ = 134010419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134010395 and 134010404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134010221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310496 + ... + 2310553.

It is an arithmetic number, because the mean of its divisors is an integer number (34657875).

Almost surely, 2^134010421 is an apocalyptic number.

It is an amenable number.

134010421 is a deficient number, since it is larger than the sum of its proper divisors (4621079).

134010421 is an equidigital number, since it uses as much as digits as its factorization.

134010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621078.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 134010421 is about 11576.2870126824. The cubic root of 134010421 is about 511.7362596840.

Adding to 134010421 its reverse (124010431), we get a palindrome (258020852).

It can be divided in two parts, 134010 and 421, that added together give a palindrome (134431).

The spelling of 134010421 in words is "one hundred thirty-four million, ten thousand, four hundred twenty-one".