135992965 has 16 divisors (see below), whose sum is σ = 167949936. Its totient is φ = 105664000.

The previous prime is 135992963. The next prime is 135992993. The reversal of 135992965 is 569299531.

It can be written as a sum of positive squares in 8 ways, for example, as 2405601 + 133587364 = 1551^2 + 11558^2 .

It is not a de Polignac number, because 135992965 - 2¹ = 135992963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135992963) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24225 + ... + 29305.

It is an arithmetic number, because the mean of its divisors is an integer number (10496871).

Almost surely, 2^135992965 is an apocalyptic number.

It is an amenable number.

135992965 is a deficient number, since it is larger than the sum of its proper divisors (31956971).

135992965 is a wasteful number, since it uses less digits than its factorization.

135992965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240.

The product of its digits is 656100, while the sum is 49.

The square root of 135992965 is about 11661.6021626533. The cubic root of 135992965 is about 514.2474508386.

The spelling of 135992965 in words is "one hundred thirty-five million, nine hundred ninety-two thousand, nine hundred sixty-five".