7146322128 has 120 divisors (see below), whose sum is σ = 22043339136. Its totient is φ = 2143180800.

The previous prime is 7146322103. The next prime is 7146322219. The reversal of 7146322128 is 8212236417.

It is a happy number.

7146322128 is a `hidden beast` number, since 7 + 1 + 4 + 632 + 2 + 12 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 7146322092 and 7146322101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130393 + ... + 176903.

Almost surely, 2^7146322128 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 7146322128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11021669568).

7146322128 is an abundant number, since it is smaller than the sum of its proper divisors (14897017008).

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

7146322128 is a wasteful number, since it uses less digits than its factorization.

7146322128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46633 (or 46624 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 7146322128 is about 84535.9221159857. The cubic root of 7146322128 is about 1926.1681449200.

The spelling of 7146322128 in words is "seven billion, one hundred forty-six million, three hundred twenty-two thousand, one hundred twenty-eight".