136905375 has 32 divisors (see below), whose sum is σ = 235684800. Its totient is φ = 70492800.

The previous prime is 136905343. The next prime is 136905389. The reversal of 136905375 is 573509631.

It is not a de Polignac number, because 136905375 - 2⁵ = 136905343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4581 + ... + 17169.

It is an arithmetic number, because the mean of its divisors is an integer number (7365150).

Almost surely, 2^136905375 is an apocalyptic number.

136905375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136905375 is a deficient number, since it is larger than the sum of its proper divisors (98779425).

136905375 is a wasteful number, since it uses less digits than its factorization.

136905375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636 (or 12626 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 39.

The square root of 136905375 is about 11700.6570328337. The cubic root of 136905375 is about 515.3949589090.

The spelling of 136905375 in words is "one hundred thirty-six million, nine hundred five thousand, three hundred seventy-five".