3129134904 has 144 divisors (see below), whose sum is σ = 9910134000. Its totient is φ = 889346304.

The previous prime is 3129134863. The next prime is 3129134927. The reversal of 3129134904 is 4094319213.

3129134904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 699844 + ... + 704300.

It is an arithmetic number, because the mean of its divisors is an integer number (68820375).

Almost surely, 2^3129134904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3129134904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4955067000).

3129134904 is an abundant number, since it is smaller than the sum of its proper divisors (6780999096).

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

3129134904 is a wasteful number, since it uses less digits than its factorization.

3129134904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682 (or 4668 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3129134904 is about 55938.6709173538. The cubic root of 3129134904 is about 1462.6534133172.

The spelling of 3129134904 in words is "three billion, one hundred twenty-nine million, one hundred thirty-four thousand, nine hundred four".