129875514 has 16 divisors (see below), whose sum is σ = 268708320. Its totient is φ = 41798960.

The previous prime is 129875509. The next prime is 129875519. The reversal of 129875514 is 415578921.

It is an interprime number because it is at equal distance from previous prime (129875509) and next prime (129875519).

It is not an unprimeable number, because it can be changed into a prime (129875519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373032 + ... + 373379.

It is an arithmetic number, because the mean of its divisors is an integer number (16794270).

Almost surely, 2^129875514 is an apocalyptic number.

129875514 is an abundant number, since it is smaller than the sum of its proper divisors (138832806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129875514 is a wasteful number, since it uses less digits than its factorization.

129875514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746445.

The product of its digits is 100800, while the sum is 42.

The square root of 129875514 is about 11396.2938712548. The cubic root of 129875514 is about 506.4179526265.

The spelling of 129875514 in words is "one hundred twenty-nine million, eight hundred seventy-five thousand, five hundred fourteen".