134771747 has 4 divisors (see below), whose sum is σ = 147023736. Its totient is φ = 122519760.

The previous prime is 134771737. The next prime is 134771821. The reversal of 134771747 is 747177431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 134771747 - 2⁸ = 134771491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134771717) 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, 6125978 + ... + 6125999.

It is an arithmetic number, because the mean of its divisors is an integer number (36755934).

Almost surely, 2^134771747 is an apocalyptic number.

134771747 is a deficient number, since it is larger than the sum of its proper divisors (12251989).

134771747 is a wasteful number, since it uses less digits than its factorization.

134771747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12251988.

The product of its digits is 115248, while the sum is 41.

The square root of 134771747 is about 11609.1234380551. The cubic root of 134771747 is about 512.7035045075.

The spelling of 134771747 in words is "one hundred thirty-four million, seven hundred seventy-one thousand, seven hundred forty-seven".