134604434357 has 4 divisors (see below), whose sum is σ = 135992109036. Its totient is φ = 133216759680.

The previous prime is 134604434323. The next prime is 134604434389. The reversal of 134604434357 is 753434406431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 753434406431 = 7 ⋅107633486633.

It can be written as a sum of positive squares in 2 ways, for example, as 47842375441 + 86762058916 = 218729^2 + 294554^2 .

It is a cyclic number.

It is not a de Polignac number, because 134604434357 - 2⁸ = 134604434101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134604454357) 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, 693837194 + ... + 693837387.

It is an arithmetic number, because the mean of its divisors is an integer number (33998027259).

Almost surely, 2^134604434357 is an apocalyptic number.

It is an amenable number.

134604434357 is a deficient number, since it is larger than the sum of its proper divisors (1387674679).

134604434357 is an equidigital number, since it uses as much as digits as its factorization.

134604434357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387674678.

The product of its (nonzero) digits is 1451520, while the sum is 44.

The spelling of 134604434357 in words is "one hundred thirty-four billion, six hundred four million, four hundred thirty-four thousand, three hundred fifty-seven".