134071247 has 4 divisors (see below), whose sum is σ = 134362536. Its totient is φ = 133779960.

The previous prime is 134071207. The next prime is 134071253. The reversal of 134071247 is 742170431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742170431 = 701 ⋅1058731.

It is a cyclic number.

It is not a de Polignac number, because 134071247 - 2⁸ = 134070991 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 (134071207) 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, 144953 + ... + 145874.

It is an arithmetic number, because the mean of its divisors is an integer number (33590634).

Almost surely, 2^134071247 is an apocalyptic number.

134071247 is a deficient number, since it is larger than the sum of its proper divisors (291289).

134071247 is an equidigital number, since it uses as much as digits as its factorization.

134071247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291288.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 134071247 is about 11578.9138955258. The cubic root of 134071247 is about 511.8136719760.

The spelling of 134071247 in words is "one hundred thirty-four million, seventy-one thousand, two hundred forty-seven".