134253673 has 8 divisors (see below), whose sum is σ = 139655880. Its totient is φ = 128903040.

The previous prime is 134253661. The next prime is 134253701. The reversal of 134253673 is 376352431.

It can be written as a sum of positive squares in 4 ways, for example, as 6744409 + 127509264 = 2597^2 + 11292^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134253673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134253073) 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, 7540 + ... + 18037.

It is an arithmetic number, because the mean of its divisors is an integer number (17456985).

Almost surely, 2^134253673 is an apocalyptic number.

It is an amenable number.

134253673 is a deficient number, since it is larger than the sum of its proper divisors (5402207).

134253673 is a wasteful number, since it uses less digits than its factorization.

134253673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25787.

The product of its digits is 45360, while the sum is 34.

The square root of 134253673 is about 11586.7887268216. The cubic root of 134253673 is about 512.0457023514.

The spelling of 134253673 in words is "one hundred thirty-four million, two hundred fifty-three thousand, six hundred seventy-three".