135640059 has 16 divisors (see below), whose sum is σ = 194120352. Its totient is φ = 83939328.

The previous prime is 135640049. The next prime is 135640067. The reversal of 135640059 is 950046531.

It is a happy number.

It is not a de Polignac number, because 135640059 - 2⁹ = 135639547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135640019) 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, 14494 + ... + 21939.

It is an arithmetic number, because the mean of its divisors is an integer number (12132522).

Almost surely, 2^135640059 is an apocalyptic number.

135640059 is a deficient number, since it is larger than the sum of its proper divisors (58480293).

135640059 is a wasteful number, since it uses less digits than its factorization.

135640059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36526.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 135640059 is about 11646.4612221911. The cubic root of 135640059 is about 513.8022360914.

The spelling of 135640059 in words is "one hundred thirty-five million, six hundred forty thousand, fifty-nine".