129393067 has 4 divisors (see below), whose sum is σ = 130602456. Its totient is φ = 128183680.

The previous prime is 129393049. The next prime is 129393079. The reversal of 129393067 is 760393921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 129393067 - 2¹⁵ = 129360299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129393037) 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, 604534 + ... + 604747.

It is an arithmetic number, because the mean of its divisors is an integer number (32650614).

Almost surely, 2^129393067 is an apocalyptic number.

129393067 is a deficient number, since it is larger than the sum of its proper divisors (1209389).

129393067 is a wasteful number, since it uses less digits than its factorization.

129393067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209388.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 129393067 is about 11375.1073401529. The cubic root of 129393067 is about 505.7901130277.

The spelling of 129393067 in words is "one hundred twenty-nine million, three hundred ninety-three thousand, sixty-seven".