129187711604 has 48 divisors (see below), whose sum is σ = 268278998400. Its totient is φ = 53258169216.

The previous prime is 129187711507. The next prime is 129187711607. The reversal of 129187711604 is 406117781921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129187711607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77294 + ... + 514149.

It is an arithmetic number, because the mean of its divisors is an integer number (5589145800).

Almost surely, 2^129187711604 is an apocalyptic number.

129187711604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129187711604 is an abundant number, since it is smaller than the sum of its proper divisors (139091286796).

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

129187711604 is a wasteful number, since it uses less digits than its factorization.

129187711604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591752 (or 591750 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 47.

The spelling of 129187711604 in words is "one hundred twenty-nine billion, one hundred eighty-seven million, seven hundred eleven thousand, six hundred four".