129445003502 has 16 divisors (see below), whose sum is σ = 195595268400. Its totient is φ = 64246728000.

The previous prime is 129445003489. The next prime is 129445003547. The reversal of 129445003502 is 205300544921.

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, 1913024 + ... + 1979532.

It is an arithmetic number, because the mean of its divisors is an integer number (12224704275).

Almost surely, 2^129445003502 is an apocalyptic number.

129445003502 is a deficient number, since it is larger than the sum of its proper divisors (66150264898).

129445003502 is a wasteful number, since it uses less digits than its factorization.

129445003502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73651.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 129445003502 in words is "one hundred twenty-nine billion, four hundred forty-five million, three thousand, five hundred two".