134111847 has 4 divisors (see below), whose sum is σ = 178815800. Its totient is φ = 89407896.

The previous prime is 134111843. The next prime is 134111851. The reversal of 134111847 is 748111431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748111431 = 3 ⋅249370477.

It is an interprime number because it is at equal distance from previous prime (134111843) and next prime (134111851).

It is not a de Polignac number, because 134111847 - 2² = 134111843 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 (134111843) 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, 22351972 + ... + 22351977.

It is an arithmetic number, because the mean of its divisors is an integer number (44703950).

Almost surely, 2^134111847 is an apocalyptic number.

134111847 is a deficient number, since it is larger than the sum of its proper divisors (44703953).

134111847 is an equidigital number, since it uses as much as digits as its factorization.

134111847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44703952.

The product of its digits is 2688, while the sum is 30.

The square root of 134111847 is about 11580.6669497054. Note that the first 3 decimals coincide. The cubic root of 134111847 is about 511.8653299274.

The spelling of 134111847 in words is "one hundred thirty-four million, one hundred eleven thousand, eight hundred forty-seven".