134623647 has 8 divisors (see below), whose sum is σ = 199442480. Its totient is φ = 89749080.

The previous prime is 134623631. The next prime is 134623667. The reversal of 134623647 is 746326431.

It is a happy number.

134623647 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 2 + 3 + 647 = 666.

It is not a de Polignac number, because 134623647 - 2⁴ = 134623631 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 (134623627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493004 + ... + 2493057.

It is an arithmetic number, because the mean of its divisors is an integer number (24930310).

Almost surely, 2^134623647 is an apocalyptic number.

134623647 is a deficient number, since it is larger than the sum of its proper divisors (64818833).

134623647 is an equidigital number, since it uses as much as digits as its factorization.

134623647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986070 (or 4986064 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 134623647 is about 11602.7430808408. The cubic root of 134623647 is about 512.5156332332.

The spelling of 134623647 in words is "one hundred thirty-four million, six hundred twenty-three thousand, six hundred forty-seven".