129950014 has 4 divisors (see below), whose sum is σ = 194925024. Its totient is φ = 64975006.

The previous prime is 129949997. The next prime is 129950017. The reversal of 129950014 is 410059921.

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

It is a super-2 number, since 2×129950014² = 33774012277200392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129950017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32487502 + ... + 32487505.

It is an arithmetic number, because the mean of its divisors is an integer number (48731256).

Almost surely, 2^129950014 is an apocalyptic number.

129950014 is a deficient number, since it is larger than the sum of its proper divisors (64975010).

129950014 is an equidigital number, since it uses as much as digits as its factorization.

129950014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64975009.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 129950014 is about 11399.5620091300. The cubic root of 129950014 is about 506.5147656558.

The spelling of 129950014 in words is "one hundred twenty-nine million, nine hundred fifty thousand, fourteen".