134209537 has 16 divisors (see below), whose sum is σ = 167841792. Its totient is φ = 104256720.

The previous prime is 134209519. The next prime is 134209549. The reversal of 134209537 is 735902431.

It is a cyclic number.

It is not a de Polignac number, because 134209537 - 2¹⁵ = 134176769 is a prime.

It is a pancake number, because a pancake can be divided into 134209537 parts by 16383 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134209567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24208 + ... + 29230.

It is an arithmetic number, because the mean of its divisors is an integer number (10490112).

Almost surely, 2^134209537 is an apocalyptic number.

It is an amenable number.

134209537 is a deficient number, since it is larger than the sum of its proper divisors (33632255).

134209537 is a wasteful number, since it uses less digits than its factorization.

134209537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 134209537 is about 11584.8839873345. The cubic root of 134209537 is about 511.9895843930.

The spelling of 134209537 in words is "one hundred thirty-four million, two hundred nine thousand, five hundred thirty-seven".