134645761 has 4 divisors (see below), whose sum is σ = 141732400. Its totient is φ = 127559124.

The previous prime is 134645759. The next prime is 134645779. The reversal of 134645761 is 167546431.

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 134645761 - 2¹ = 134645759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134645761.

It is not an unprimeable number, because it can be changed into a prime (134645711) 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, 3543291 + ... + 3543328.

It is an arithmetic number, because the mean of its divisors is an integer number (35433100).

Almost surely, 2^134645761 is an apocalyptic number.

It is an amenable number.

134645761 is a deficient number, since it is larger than the sum of its proper divisors (7086639).

134645761 is an equidigital number, since it uses as much as digits as its factorization.

134645761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086638.

The product of its digits is 60480, while the sum is 37.

The square root of 134645761 is about 11603.6960060146. The cubic root of 134645761 is about 512.5436945494.

The spelling of 134645761 in words is "one hundred thirty-four million, six hundred forty-five thousand, seven hundred sixty-one".