135206464 has 14 divisors (see below), whose sum is σ = 268300454. Its totient is φ = 67603200.

The previous prime is 135206453. The next prime is 135206501. The reversal of 135206464 is 464602531.

It can be written as a sum of positive squares in only one way, i.e., 100160064 + 35046400 = 10008^2 + 5920^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056237 + ... + 1056364.

Almost surely, 2^135206464 is an apocalyptic number.

It is an amenable number.

135206464 is a deficient number, since it is larger than the sum of its proper divisors (133093990).

135206464 is an equidigital number, since it uses as much as digits as its factorization.

135206464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112613 (or 2112603 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 135206464 is about 11627.8314401267. The cubic root of 135206464 is about 513.2541681859.

Adding to 135206464 its reverse (464602531), we get a palindrome (599808995).

The spelling of 135206464 in words is "one hundred thirty-five million, two hundred six thousand, four hundred sixty-four".