136140485 has 24 divisors (see below), whose sum is σ = 177788160. Its totient is φ = 100032192.

The previous prime is 136140481. The next prime is 136140527. The reversal of 136140485 is 584041631.

It is not a de Polignac number, because 136140485 - 2² = 136140481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136140481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309896 + ... + 310334.

It is an arithmetic number, because the mean of its divisors is an integer number (7407840).

Almost surely, 2^136140485 is an apocalyptic number.

It is an amenable number.

136140485 is a deficient number, since it is larger than the sum of its proper divisors (41647675).

136140485 is a wasteful number, since it uses less digits than its factorization.

136140485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 136140485 is about 11667.9254797072. The cubic root of 136140485 is about 514.4333290071.

The spelling of 136140485 in words is "one hundred thirty-six million, one hundred forty thousand, four hundred eighty-five".