129195014 has 16 divisors (see below), whose sum is σ = 212239440. Its totient is φ = 58617120.

The previous prime is 129195013. The next prime is 129195037. The reversal of 129195014 is 410591921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129195013) 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, 40577 + ... + 43644.

It is an arithmetic number, because the mean of its divisors is an integer number (13264965).

Almost surely, 2^129195014 is an apocalyptic number.

129195014 is a deficient number, since it is larger than the sum of its proper divisors (83044426).

129195014 is a wasteful number, since it uses less digits than its factorization.

129195014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84295.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 129195014 is about 11366.3984621339. The cubic root of 129195014 is about 505.5319219605.

The spelling of 129195014 in words is "one hundred twenty-nine million, one hundred ninety-five thousand, fourteen".