134642404 has 48 divisors (see below), whose sum is σ = 262483200. Its totient is φ = 60039936.

The previous prime is 134642383. The next prime is 134642407. The reversal of 134642404 is 404246431.

It is not an unprimeable number, because it can be changed into a prime (134642407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217207 + ... + 217825.

It is an arithmetic number, because the mean of its divisors is an integer number (5468400).

Almost surely, 2^134642404 is an apocalyptic number.

It is an amenable number.

134642404 is a deficient number, since it is larger than the sum of its proper divisors (127840796).

134642404 is a wasteful number, since it uses less digits than its factorization.

134642404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 134642404 is about 11603.5513529264. The cubic root of 134642404 is about 512.5394349192.

Adding to 134642404 its reverse (404246431), we get a palindrome (538888835).

The spelling of 134642404 in words is "one hundred thirty-four million, six hundred forty-two thousand, four hundred four".