134753649 has 4 divisors (see below), whose sum is σ = 179671536. Its totient is φ = 89835764.

The previous prime is 134753629. The next prime is 134753651. The reversal of 134753649 is 946357431.

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: 946357431 = 3 ⋅315452477.

It is a cyclic number.

It is not a de Polignac number, because 134753649 - 2⁹ = 134753137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134753649.

It is not an unprimeable number, because it can be changed into a prime (134753609) 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, 22458939 + ... + 22458944.

It is an arithmetic number, because the mean of its divisors is an integer number (44917884).

Almost surely, 2^134753649 is an apocalyptic number.

It is an amenable number.

134753649 is a deficient number, since it is larger than the sum of its proper divisors (44917887).

134753649 is an equidigital number, since it uses as much as digits as its factorization.

134753649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44917886.

The product of its digits is 272160, while the sum is 42.

The square root of 134753649 is about 11608.3439387365. The cubic root of 134753649 is about 512.6805537937.

The spelling of 134753649 in words is "one hundred thirty-four million, seven hundred fifty-three thousand, six hundred forty-nine".