129455283 has 6 divisors (see below), whose sum is σ = 172633324. Its totient is φ = 86290384.

The previous prime is 129455279. The next prime is 129455299. The reversal of 129455283 is 382554921.

It is not a de Polignac number, because 129455283 - 2² = 129455279 is a prime.

It is a super-2 number, since 2×129455283² = 33517340593220178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129455233) 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 5 ways as a sum of consecutive naturals, for example, 16423 + ... + 22991.

Almost surely, 2^129455283 is an apocalyptic number.

129455283 is a deficient number, since it is larger than the sum of its proper divisors (43178041).

129455283 is an frugal number, since it uses more digits than its factorization.

129455283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13141 (or 6572 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 129455283 is about 11377.8417549200. The cubic root of 129455283 is about 505.8711663024.

The spelling of 129455283 in words is "one hundred twenty-nine million, four hundred fifty-five thousand, two hundred eighty-three".