129496316 has 6 divisors (see below), whose sum is σ = 226618560. Its totient is φ = 64748156.

The previous prime is 129496313. The next prime is 129496319. The reversal of 129496316 is 613694921.

It is an interprime number because it is at equal distance from previous prime (129496313) and next prime (129496319).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129496313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16187036 + ... + 16187043.

It is an arithmetic number, because the mean of its divisors is an integer number (37769760).

Almost surely, 2^129496316 is an apocalyptic number.

It is an amenable number.

129496316 is a deficient number, since it is larger than the sum of its proper divisors (97122244).

129496316 is a wasteful number, since it uses less digits than its factorization.

129496316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32374083 (or 32374081 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 129496316 is about 11379.6448099227. The cubic root of 129496316 is about 505.9246087430.

The spelling of 129496316 in words is "one hundred twenty-nine million, four hundred ninety-six thousand, three hundred sixteen".