129414706 has 4 divisors (see below), whose sum is σ = 194122062. Its totient is φ = 64707352.

The previous prime is 129414697. The next prime is 129414709. The reversal of 129414706 is 607414921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77704225 + 51710481 = 8815^2 + 7191^2 .

It is a super-2 number, since 2×129414706² = 33496332258132872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129414709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32353675 + ... + 32353678.

Almost surely, 2^129414706 is an apocalyptic number.

129414706 is a deficient number, since it is larger than the sum of its proper divisors (64707356).

129414706 is an equidigital number, since it uses as much as digits as its factorization.

129414706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64707355.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 129414706 is about 11376.0584562492. The cubic root of 129414706 is about 505.8183066614.

The spelling of 129414706 in words is "one hundred twenty-nine million, four hundred fourteen thousand, seven hundred six".