135498645369 has 64 divisors (see below), whose sum is σ = 216794188800. Its totient is φ = 83361052800.

The previous prime is 135498645361. The next prime is 135498645383. The reversal of 135498645369 is 963546894531.

135498645369 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 98 + 6 + 4 + 536 + 9 = 666.

It is not a de Polignac number, because 135498645369 - 2³ = 135498645361 is a prime.

It is a super-2 number, since 2×135498645369² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135498645361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14529142 + ... + 14538464.

It is an arithmetic number, because the mean of its divisors is an integer number (3387409200).

Almost surely, 2^135498645369 is an apocalyptic number.

135498645369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

135498645369 is a deficient number, since it is larger than the sum of its proper divisors (81295543431).

135498645369 is a wasteful number, since it uses less digits than its factorization.

135498645369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10083 (or 10077 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 135498645369 in words is "one hundred thirty-five billion, four hundred ninety-eight million, six hundred forty-five thousand, three hundred sixty-nine".