134397539 has 8 divisors (see below), whose sum is σ = 135358608. Its totient is φ = 133440480.

The previous prime is 134397521. The next prime is 134397541. The reversal of 134397539 is 935793431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 134397539 - 2¹² = 134393443 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 134397539.

It is not an unprimeable number, because it can be changed into a prime (134397509) 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, 96629 + ... + 98009.

It is an arithmetic number, because the mean of its divisors is an integer number (16919826).

Almost surely, 2^134397539 is an apocalyptic number.

134397539 is a deficient number, since it is larger than the sum of its proper divisors (961069).

134397539 is a wasteful number, since it uses less digits than its factorization.

134397539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005.

The product of its digits is 306180, while the sum is 44.

The square root of 134397539 is about 11592.9952557568. The cubic root of 134397539 is about 512.2285394825.

The spelling of 134397539 in words is "one hundred thirty-four million, three hundred ninety-seven thousand, five hundred thirty-nine".