134273657 has 4 divisors (see below), whose sum is σ = 153455616. Its totient is φ = 115091700.

The previous prime is 134273651. The next prime is 134273687. The reversal of 134273657 is 756372431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 756372431 = 6637 ⋅113963.

It is a cyclic number.

It is not a de Polignac number, because 134273657 - 2⁴ = 134273641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134273657.

It is not an unprimeable number, because it can be changed into a prime (134273651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9590969 + ... + 9590982.

It is an arithmetic number, because the mean of its divisors is an integer number (38363904).

Almost surely, 2^134273657 is an apocalyptic number.

It is an amenable number.

134273657 is a deficient number, since it is larger than the sum of its proper divisors (19181959).

134273657 is an equidigital number, since it uses as much as digits as its factorization.

134273657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19181958.

The product of its digits is 105840, while the sum is 38.

The square root of 134273657 is about 11587.6510561891. The cubic root of 134273657 is about 512.0711075251.

The spelling of 134273657 in words is "one hundred thirty-four million, two hundred seventy-three thousand, six hundred fifty-seven".