134142404 has 12 divisors (see below), whose sum is σ = 256090128. Its totient is φ = 60973800.

The previous prime is 134142403. The next prime is 134142409. The reversal of 134142404 is 404241431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 134142404.

It is not an unprimeable number, because it can be changed into a prime (134142403) 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, 1524302 + ... + 1524389.

It is an arithmetic number, because the mean of its divisors is an integer number (21340844).

Almost surely, 2^134142404 is an apocalyptic number.

It is an amenable number.

134142404 is a deficient number, since it is larger than the sum of its proper divisors (121947724).

134142404 is a wasteful number, since it uses less digits than its factorization.

134142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048706 (or 3048704 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 134142404 is about 11581.9861854520. The cubic root of 134142404 is about 511.9042026581.

Adding to 134142404 its reverse (404241431), we get a palindrome (538383835).

The spelling of 134142404 in words is "one hundred thirty-four million, one hundred forty-two thousand, four hundred four".