134405416 has 8 divisors (see below), whose sum is σ = 252010170. Its totient is φ = 67202704.

The previous prime is 134405413. The next prime is 134405419. The reversal of 134405416 is 614504431.

It is an interprime number because it is at equal distance from previous prime (134405413) and next prime (134405419).

It can be written as a sum of positive squares in only one way, i.e., 113337316 + 21068100 = 10646^2 + 4590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (134405413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8400331 + ... + 8400346.

Almost surely, 2^134405416 is an apocalyptic number.

It is an amenable number.

134405416 is a deficient number, since it is larger than the sum of its proper divisors (117604754).

134405416 is a wasteful number, since it uses less digits than its factorization.

134405416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16800683 (or 16800679 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 134405416 is about 11593.3349817902. The cubic root of 134405416 is about 512.2385464748.

Adding to 134405416 its reverse (614504431), we get a palindrome (748909847).

The spelling of 134405416 in words is "one hundred thirty-four million, four hundred five thousand, four hundred sixteen".