129153453 has 16 divisors (see below), whose sum is σ = 202310976. Its totient is φ = 72253440.

The previous prime is 129153439. The next prime is 129153457. The reversal of 129153453 is 354351921.

It is not a de Polignac number, because 129153453 - 2⁸ = 129153197 is a prime.

It is a super-2 number, since 2×129153453² = 33361228843646418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129153457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150100 + ... + 150957.

It is an arithmetic number, because the mean of its divisors is an integer number (12644436).

Almost surely, 2^129153453 is an apocalyptic number.

129153453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

129153453 is a deficient number, since it is larger than the sum of its proper divisors (73157523).

129153453 is a wasteful number, since it uses less digits than its factorization.

129153453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301084.

The product of its digits is 16200, while the sum is 33.

The square root of 129153453 is about 11364.5700754582. The cubic root of 129153453 is about 505.4777076248.

The spelling of 129153453 in words is "one hundred twenty-nine million, one hundred fifty-three thousand, four hundred fifty-three".