134402004 has 120 divisors (see below), whose sum is σ = 392655648. Its totient is φ = 39735360.

The previous prime is 134401987. The next prime is 134402033. The reversal of 134402004 is 400204431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 152814 + ... + 153690.

Almost surely, 2^134402004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134402004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196327824).

134402004 is an abundant number, since it is smaller than the sum of its proper divisors (258253644).

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

134402004 is a wasteful number, since it uses less digits than its factorization.

134402004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 134402004 is about 11593.1878273407. The cubic root of 134402004 is about 512.2342118957.

Adding to 134402004 its reverse (400204431), we get a palindrome (534606435).

The spelling of 134402004 in words is "one hundred thirty-four million, four hundred two thousand, four".