134405433 has 8 divisors (see below), whose sum is σ = 199119200. Its totient is φ = 89603604.

The previous prime is 134405419. The next prime is 134405437. The reversal of 134405433 is 334504431.

It is not a de Polignac number, because 134405433 - 2¹⁰ = 134404409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4977979 = 134405433 / (1 + 3 + 4 + 4 + 0 + 5 + 4 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134405397 and 134405406.

It is not an unprimeable number, because it can be changed into a prime (134405437) 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, 2488963 + ... + 2489016.

It is an arithmetic number, because the mean of its divisors is an integer number (24889900).

Almost surely, 2^134405433 is an apocalyptic number.

It is an amenable number.

134405433 is a deficient number, since it is larger than the sum of its proper divisors (64713767).

134405433 is an equidigital number, since it uses as much as digits as its factorization.

134405433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977988 (or 4977982 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 134405433 is about 11593.3357149700. The cubic root of 134405433 is about 512.2385680712.

Adding to 134405433 its reverse (334504431), we get a palindrome (468909864).

The spelling of 134405433 in words is "one hundred thirty-four million, four hundred five thousand, four hundred thirty-three".