134892709 has 4 divisors (see below), whose sum is σ = 154163104. Its totient is φ = 115622316.

The previous prime is 134892701. The next prime is 134892727. The reversal of 134892709 is 907298431.

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 134892709 - 2³ = 134892701 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 (134892701) 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, 9635187 + ... + 9635200.

It is an arithmetic number, because the mean of its divisors is an integer number (38540776).

Almost surely, 2^134892709 is an apocalyptic number.

It is an amenable number.

134892709 is a deficient number, since it is larger than the sum of its proper divisors (19270395).

134892709 is an equidigital number, since it uses as much as digits as its factorization.

134892709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270394.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 134892709 is about 11614.3320513924. The cubic root of 134892709 is about 512.8568479633.

The spelling of 134892709 in words is "one hundred thirty-four million, eight hundred ninety-two thousand, seven hundred nine".