134144406 has 48 divisors (see below), whose sum is σ = 322470720. Its totient is φ = 39957360.

The previous prime is 134144383. The next prime is 134144407. The reversal of 134144406 is 604441431.

It is a super-2 number, since 2×134144406² = 35989443322185672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134144406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134144407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5941 + ... + 17423.

It is an arithmetic number, because the mean of its divisors is an integer number (6718140).

Almost surely, 2^134144406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134144406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161235360).

134144406 is an abundant number, since it is smaller than the sum of its proper divisors (188326314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134144406 is a wasteful number, since it uses less digits than its factorization.

134144406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561 (or 11558 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 134144406 is about 11582.0726124472. The cubic root of 134144406 is about 511.9067492729.

Adding to 134144406 its reverse (604441431), we get a palindrome (738585837).

The spelling of 134144406 in words is "one hundred thirty-four million, one hundred forty-four thousand, four hundred six".