129607045 has 8 divisors (see below), whose sum is σ = 156905496. Its totient is φ = 102767616.

The previous prime is 129607043. The next prime is 129607057. The reversal of 129607045 is 540706921.

It can be written as a sum of positive squares in 4 ways, for example, as 57121 + 129549924 = 239^2 + 11382^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129607045 - 2¹ = 129607043 is a prime.

It is a super-2 number, since 2×129607045² = 33595972227264050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129607045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129607043) 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, 114132 + ... + 115261.

It is an arithmetic number, because the mean of its divisors is an integer number (19613187).

Almost surely, 2^129607045 is an apocalyptic number.

It is an amenable number.

129607045 is a deficient number, since it is larger than the sum of its proper divisors (27298451).

129607045 is a wasteful number, since it uses less digits than its factorization.

129607045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229511.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 129607045 is about 11384.5089924862. The cubic root of 129607045 is about 506.0687687419.

The spelling of 129607045 in words is "one hundred twenty-nine million, six hundred seven thousand, forty-five".