134404402 has 8 divisors (see below), whose sum is σ = 219934512. Its totient is φ = 61092900.

The previous prime is 134404381. The next prime is 134404409. The reversal of 134404402 is 204404431.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 6109291 = 134404402 / (1 + 3 + 4 + 4 + 0 + 4 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (134404409) 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, 3054624 + ... + 3054667.

It is an arithmetic number, because the mean of its divisors is an integer number (27491814).

Almost surely, 2^134404402 is an apocalyptic number.

134404402 is a deficient number, since it is larger than the sum of its proper divisors (85530110).

134404402 is a wasteful number, since it uses less digits than its factorization.

134404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109304.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 134404402 is about 11593.2912496840. The cubic root of 134404402 is about 512.2372583045.

Adding to 134404402 its reverse (204404431), we get a palindrome (338808833).

The spelling of 134404402 in words is "one hundred thirty-four million, four hundred four thousand, four hundred two".