129637340372 has 24 divisors (see below), whose sum is σ = 227795198400. Its totient is φ = 64553144576.

The previous prime is 129637340269. The next prime is 129637340381. The reversal of 129637340372 is 273043736921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959204 + ... + 3991812.

It is an arithmetic number, because the mean of its divisors is an integer number (9491466600).

Almost surely, 2^129637340372 is an apocalyptic number.

It is an amenable number.

129637340372 is a deficient number, since it is larger than the sum of its proper divisors (98157858028).

129637340372 is a wasteful number, since it uses less digits than its factorization.

129637340372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36655 (or 36653 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 47.

The spelling of 129637340372 in words is "one hundred twenty-nine billion, six hundred thirty-seven million, three hundred forty thousand, three hundred seventy-two".