129382794 has 12 divisors (see below), whose sum is σ = 280329426. Its totient is φ = 43127592.

The previous prime is 129382787. The next prime is 129382823. The reversal of 129382794 is 497283921.

It can be written as a sum of positive squares in only one way, i.e., 112466025 + 16916769 = 10605^2 + 4113^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3593949 + ... + 3593984.

Almost surely, 2^129382794 is an apocalyptic number.

129382794 is an abundant number, since it is smaller than the sum of its proper divisors (150946632).

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

129382794 is a wasteful number, since it uses less digits than its factorization.

129382794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187941 (or 7187938 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 129382794 is about 11374.6557750114. The cubic root of 129382794 is about 505.7767271499.

It can be divided in two parts, 1293827 and 94, that added together give a palindrome (1293921).

The spelling of 129382794 in words is "one hundred twenty-nine million, three hundred eighty-two thousand, seven hundred ninety-four".