129340360 has 16 divisors (see below), whose sum is σ = 291015900. Its totient is φ = 51736128.

The previous prime is 129340357. The next prime is 129340427. The reversal of 129340360 is 63043921.

It can be written as a sum of positive squares in 2 ways, for example, as 103999204 + 25341156 = 10198^2 + 5034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616715 + ... + 1616794.

Almost surely, 2^129340360 is an apocalyptic number.

129340360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129340360 is an abundant number, since it is smaller than the sum of its proper divisors (161675540).

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

129340360 is a wasteful number, since it uses less digits than its factorization.

129340360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233520 (or 3233516 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 129340360 is about 11372.7903348299. The cubic root of 129340360 is about 505.7214274826.

The spelling of 129340360 in words is "one hundred twenty-nine million, three hundred forty thousand, three hundred sixty".