134671523 has 8 divisors (see below), whose sum is σ = 154550880. Its totient is φ = 114952320.

The previous prime is 134671513. The next prime is 134671529. The reversal of 134671523 is 325176431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134671523 - 2⁸ = 134671267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134671523.

It is not an unprimeable number, because it can be changed into a prime (134671529) 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, 38228 + ... + 41601.

It is an arithmetic number, because the mean of its divisors is an integer number (19318860).

Almost surely, 2^134671523 is an apocalyptic number.

134671523 is a deficient number, since it is larger than the sum of its proper divisors (19879357).

134671523 is an equidigital number, since it uses as much as digits as its factorization.

134671523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80077.

The product of its digits is 15120, while the sum is 32.

The square root of 134671523 is about 11604.8060302618. The cubic root of 134671523 is about 512.5763810807.

The spelling of 134671523 in words is "one hundred thirty-four million, six hundred seventy-one thousand, five hundred twenty-three".