34402134 has 16 divisors (see below), whose sum is σ = 74097072. Its totient is φ = 10585248.

The previous prime is 34402099. The next prime is 34402139. The reversal of 34402134 is 43120443.

It is a self number, because there is not a number n which added to its sum of digits gives 34402134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34402139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220449 + ... + 220604.

It is an arithmetic number, because the mean of its divisors is an integer number (4631067).

Almost surely, 2^34402134 is an apocalyptic number.

34402134 is an abundant number, since it is smaller than the sum of its proper divisors (39694938).

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

34402134 is a wasteful number, since it uses less digits than its factorization.

34402134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441071.

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

The square root of 34402134 is about 5865.3332386148. Note that the first 3 decimals coincide. The cubic root of 34402134 is about 325.2333913296.

Adding to 34402134 its reverse (43120443), we get a palindrome (77522577).

The spelling of 34402134 in words is "thirty-four million, four hundred two thousand, one hundred thirty-four".