129493104 has 40 divisors (see below), whose sum is σ = 360258192. Its totient is φ = 39843840.

The previous prime is 129493079. The next prime is 129493109. The reversal of 129493104 is 401394921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129493109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103137 + ... + 104384.

Almost surely, 2^129493104 is an apocalyptic number.

It is an amenable number.

129493104 is an abundant number, since it is smaller than the sum of its proper divisors (230765088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129493104 is a wasteful number, since it uses less digits than its factorization.

129493104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207545 (or 207539 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 129493104 is about 11379.5036798623. The cubic root of 129493104 is about 505.9204257584.

The spelling of 129493104 in words is "one hundred twenty-nine million, four hundred ninety-three thousand, one hundred four".