129848534 has 4 divisors (see below), whose sum is σ = 194772804. Its totient is φ = 64924266.

The previous prime is 129848497. The next prime is 129848561. The reversal of 129848534 is 435848921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435848921 = 131 ⋅3327091.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32462132 + ... + 32462135.

It is an arithmetic number, because the mean of its divisors is an integer number (48693201).

Almost surely, 2^129848534 is an apocalyptic number.

129848534 is a deficient number, since it is larger than the sum of its proper divisors (64924270).

129848534 is an equidigital number, since it uses as much as digits as its factorization.

129848534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64924269.

The product of its digits is 276480, while the sum is 44.

The square root of 129848534 is about 11395.1100916139. The cubic root of 129848534 is about 506.3828828838.

The spelling of 129848534 in words is "one hundred twenty-nine million, eight hundred forty-eight thousand, five hundred thirty-four".