136216525 has 12 divisors (see below), whose sum is σ = 170128000. Its totient is φ = 108186480.

The previous prime is 136216523. The next prime is 136216541. The reversal of 136216525 is 525612631.

It is not a de Polignac number, because 136216525 - 2¹ = 136216523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136216523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16125 + ... + 23074.

Almost surely, 2^136216525 is an apocalyptic number.

It is an amenable number.

136216525 is a deficient number, since it is larger than the sum of its proper divisors (33911475).

136216525 is a wasteful number, since it uses less digits than its factorization.

136216525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39348 (or 39343 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 136216525 is about 11671.1835303880. The cubic root of 136216525 is about 514.5290884958.

The spelling of 136216525 in words is "one hundred thirty-six million, two hundred sixteen thousand, five hundred twenty-five".