129540596 has 12 divisors (see below), whose sum is σ = 231968352. Its totient is φ = 63263928.

The previous prime is 129540581. The next prime is 129540611. The reversal of 129540596 is 695045921.

It is an interprime number because it is at equal distance from previous prime (129540581) and next prime (129540611).

It is a congruent number.

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, 376400 + ... + 376743.

It is an arithmetic number, because the mean of its divisors is an integer number (19330696).

Almost surely, 2^129540596 is an apocalyptic number.

It is an amenable number.

129540596 is a deficient number, since it is larger than the sum of its proper divisors (102427756).

129540596 is a wasteful number, since it uses less digits than its factorization.

129540596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753190 (or 753188 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 129540596 is about 11381.5902228116. The cubic root of 129540596 is about 505.9822674971.

The spelling of 129540596 in words is "one hundred twenty-nine million, five hundred forty thousand, five hundred ninety-six".