129334453 has 4 divisors (see below), whose sum is σ = 136942380. Its totient is φ = 121726528.

The previous prime is 129334441. The next prime is 129334493. The reversal of 129334453 is 354433921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354433921 = 1433 ⋅247337.

It can be written as a sum of positive squares in 2 ways, for example, as 117548964 + 11785489 = 10842^2 + 3433^2 .

It is not a de Polignac number, because 129334453 - 2¹³ = 129326261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129334423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3803938 + ... + 3803971.

It is an arithmetic number, because the mean of its divisors is an integer number (34235595).

Almost surely, 2^129334453 is an apocalyptic number.

It is an amenable number.

129334453 is a deficient number, since it is larger than the sum of its proper divisors (7607927).

129334453 is an equidigital number, since it uses as much as digits as its factorization.

129334453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607926.

The product of its digits is 38880, while the sum is 34.

The square root of 129334453 is about 11372.5306330649. The cubic root of 129334453 is about 505.7137285660.

The spelling of 129334453 in words is "one hundred twenty-nine million, three hundred thirty-four thousand, four hundred fifty-three".