136465645 has 8 divisors (see below), whose sum is σ = 165380760. Its totient is φ = 108091200.

The previous prime is 136465639. The next prime is 136465649. The reversal of 136465645 is 546564631.

It can be written as a sum of positive squares in 4 ways, for example, as 62694724 + 73770921 = 7918^2 + 8589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-136465645 is a prime.

It is a super-3 number, since 3×136465645³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136465598 and 136465607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136465649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134610 + ... + 135619.

It is an arithmetic number, because the mean of its divisors is an integer number (20672595).

Almost surely, 2^136465645 is an apocalyptic number.

It is an amenable number.

136465645 is a deficient number, since it is larger than the sum of its proper divisors (28915115).

136465645 is a wasteful number, since it uses less digits than its factorization.

136465645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270335.

The product of its digits is 259200, while the sum is 40.

The square root of 136465645 is about 11681.8510947538. The cubic root of 136465645 is about 514.8425634953.

It can be divided in two parts, 13646 and 5645, that added together give a palindrome (19291).

The spelling of 136465645 in words is "one hundred thirty-six million, four hundred sixty-five thousand, six hundred forty-five".