129910004 has 12 divisors (see below), whose sum is σ = 259820064. Its totient is φ = 55675704.

The previous prime is 129909977. The next prime is 129910013. The reversal of 129910004 is 400019921.

129910004 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319794 + ... + 2319849.

It is an arithmetic number, because the mean of its divisors is an integer number (21651672).

Almost surely, 2^129910004 is an apocalyptic number.

129910004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129910004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

129910004 is a wasteful number, since it uses less digits than its factorization.

129910004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639654 (or 4639652 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 129910004 is about 11397.8069820470. The cubic root of 129910004 is about 506.4627771120.

Adding to 129910004 its reverse (400019921), we get a palindrome (529929925).

The spelling of 129910004 in words is "one hundred twenty-nine million, nine hundred ten thousand, four".