129436093 has 8 divisors (see below), whose sum is σ = 131963328. Its totient is φ = 126932064.

The previous prime is 129436091. The next prime is 129436103. The reversal of 129436093 is 390634921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129436093 - 2¹ = 129436091 is a prime.

It is a super-2 number, since 2×129436093² = 33507404342209298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129436091) 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 7 ways as a sum of consecutive naturals, for example, 5680 + ... + 17062.

It is an arithmetic number, because the mean of its divisors is an integer number (16495416).

Almost surely, 2^129436093 is an apocalyptic number.

It is an amenable number.

129436093 is a deficient number, since it is larger than the sum of its proper divisors (2527235).

129436093 is a wasteful number, since it uses less digits than its factorization.

129436093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11603.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 129436093 is about 11376.9984178605. The cubic root of 129436093 is about 505.8461688743.

The spelling of 129436093 in words is "one hundred twenty-nine million, four hundred thirty-six thousand, ninety-three".