7129005390 has 96 divisors (see below), whose sum is σ = 21011870880. Its totient is φ = 1662467328.

The previous prime is 7129005383. The next prime is 7129005407. The reversal of 7129005390 is 935009217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138117 + ... + 182576.

It is an arithmetic number, because the mean of its divisors is an integer number (218873655).

Almost surely, 2^7129005390 is an apocalyptic number.

7129005390 is an abundant number, since it is smaller than the sum of its proper divisors (13882865490).

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

7129005390 is a wasteful number, since it uses less digits than its factorization.

7129005390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320738 (or 320735 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 7129005390 is about 84433.4376298869. The cubic root of 7129005390 is about 1924.6110769911.

The spelling of 7129005390 in words is "seven billion, one hundred twenty-nine million, five thousand, three hundred ninety".