134230404 has 72 divisors (see below), whose sum is σ = 397480608. Its totient is φ = 34863360.

The previous prime is 134230387. The next prime is 134230409. The reversal of 134230404 is 404032431.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134230409) 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, 3909 + ... + 16844.

It is an arithmetic number, because the mean of its divisors is an integer number (5520564).

Almost surely, 2^134230404 is an apocalyptic number.

134230404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

134230404 is an abundant number, since it is smaller than the sum of its proper divisors (263250204).

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

134230404 is a wasteful number, since it uses less digits than its factorization.

134230404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20785 (or 20776 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 134230404 is about 11585.7845655786. The cubic root of 134230404 is about 512.0161178601.

Adding to 134230404 its reverse (404032431), we get a palindrome (538262835).

The spelling of 134230404 in words is "one hundred thirty-four million, two hundred thirty thousand, four hundred four".