129377092 has 24 divisors (see below), whose sum is σ = 244559000. Its totient is φ = 59533056.

The previous prime is 129377077. The next prime is 129377113. The reversal of 129377092 is 290773921.

It can be written as a sum of positive squares in 4 ways, for example, as 18369796 + 111007296 = 4286^2 + 10536^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14584 + ... + 21712.

Almost surely, 2^129377092 is an apocalyptic number.

It is an amenable number.

129377092 is a deficient number, since it is larger than the sum of its proper divisors (115181908).

129377092 is a wasteful number, since it uses less digits than its factorization.

129377092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495 (or 7493 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 129377092 is about 11374.4051273023. The cubic root of 129377092 is about 505.7692970500.

The spelling of 129377092 in words is "one hundred twenty-nine million, three hundred seventy-seven thousand, ninety-two".