129674465 has 8 divisors (see below), whose sum is σ = 155782440. Its totient is φ = 103624192.

The previous prime is 129674459. The next prime is 129674491. The reversal of 129674465 is 564476921.

It can be written as a sum of positive squares in 4 ways, for example, as 9728161 + 119946304 = 3119^2 + 10952^2 .

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 129674465 - 2¹² = 129670369 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9314 + ... + 18603.

It is an arithmetic number, because the mean of its divisors is an integer number (19472805).

Almost surely, 2^129674465 is an apocalyptic number.

It is an amenable number.

129674465 is a deficient number, since it is larger than the sum of its proper divisors (26107975).

129674465 is an equidigital number, since it uses as much as digits as its factorization.

129674465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851.

The product of its digits is 362880, while the sum is 44.

The square root of 129674465 is about 11387.4696486972. The cubic root of 129674465 is about 506.1565037926.

The spelling of 129674465 in words is "one hundred twenty-nine million, six hundred seventy-four thousand, four hundred sixty-five".