134722471 has 4 divisors (see below), whose sum is σ = 145085752. Its totient is φ = 124359192.

The previous prime is 134722459. The next prime is 134722481. The reversal of 134722471 is 174227431.

134722471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 134722471 - 2¹⁵ = 134689703 is a prime.

It is a super-3 number, since 3×134722471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134722451) 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, 5181621 + ... + 5181646.

It is an arithmetic number, because the mean of its divisors is an integer number (36271438).

Almost surely, 2^134722471 is an apocalyptic number.

134722471 is a deficient number, since it is larger than the sum of its proper divisors (10363281).

134722471 is a wasteful number, since it uses less digits than its factorization.

134722471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10363280.

The product of its digits is 9408, while the sum is 31.

The square root of 134722471 is about 11607.0009477039. Note that the first 3 decimals coincide. The cubic root of 134722471 is about 512.6410110494.

The spelling of 134722471 in words is "one hundred thirty-four million, seven hundred twenty-two thousand, four hundred seventy-one".