136509395 has 16 divisors (see below), whose sum is σ = 188110080. Its totient is φ = 94053600.

The previous prime is 136509383. The next prime is 136509413. The reversal of 136509395 is 593905631.

It is not a de Polignac number, because 136509395 - 2¹⁰ = 136508371 is a prime.

It is a super-3 number, since 3×136509395³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64271 + ... + 66360.

It is an arithmetic number, because the mean of its divisors is an integer number (11756880).

Almost surely, 2^136509395 is an apocalyptic number.

136509395 is a deficient number, since it is larger than the sum of its proper divisors (51600685).

136509395 is a wasteful number, since it uses less digits than its factorization.

136509395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130666.

The product of its (nonzero) digits is 109350, while the sum is 41.

The square root of 136509395 is about 11683.7235075125. The cubic root of 136509395 is about 514.8975760115.

The spelling of 136509395 in words is "one hundred thirty-six million, five hundred nine thousand, three hundred ninety-five".