134434203653 has 4 divisors (see below), whose sum is σ = 134451920928. Its totient is φ = 134416486380.

The previous prime is 134434203643. The next prime is 134434203707. The reversal of 134434203653 is 356302434431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134434203653 - 2⁴ = 134434203637 is a prime.

It is a super-2 number, since 2×134434203653² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134434203643) 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, 8847251 + ... + 8862432.

It is an arithmetic number, because the mean of its divisors is an integer number (33612980232).

Almost surely, 2^134434203653 is an apocalyptic number.

It is an amenable number.

134434203653 is a deficient number, since it is larger than the sum of its proper divisors (17717275).

134434203653 is an equidigital number, since it uses as much as digits as its factorization.

134434203653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17717274.

The product of its (nonzero) digits is 311040, while the sum is 38.

The spelling of 134434203653 in words is "one hundred thirty-four billion, four hundred thirty-four million, two hundred three thousand, six hundred fifty-three".