134869553 has 16 divisors (see below), whose sum is σ = 166750080. Its totient is φ = 106223616.

The previous prime is 134869529. The next prime is 134869571. The reversal of 134869553 is 355968431.

It is a cyclic number.

It is not a de Polignac number, because 134869553 - 2⁶ = 134869489 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (134869523) 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, 17393 + ... + 23921.

It is an arithmetic number, because the mean of its divisors is an integer number (10421880).

Almost surely, 2^134869553 is an apocalyptic number.

134869553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

134869553 is a deficient number, since it is larger than the sum of its proper divisors (31880527).

134869553 is a wasteful number, since it uses less digits than its factorization.

134869553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776.

The product of its digits is 388800, while the sum is 44.

The square root of 134869553 is about 11613.3351368158. The cubic root of 134869553 is about 512.8275002126.

The spelling of 134869553 in words is "one hundred thirty-four million, eight hundred sixty-nine thousand, five hundred fifty-three".