7021531134 has 24 divisors (see below), whose sum is σ = 15421721952. Its totient is φ = 2308448160.

The previous prime is 7021531129. The next prime is 7021531147. The reversal of 7021531134 is 4311351207.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7021531098 and 7021531107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2670502 + ... + 2673129.

It is an arithmetic number, because the mean of its divisors is an integer number (642571748).

Almost surely, 2^7021531134 is an apocalyptic number.

7021531134 is an abundant number, since it is smaller than the sum of its proper divisors (8400190818).

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

7021531134 is a wasteful number, since it uses less digits than its factorization.

7021531134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343712 (or 5343709 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7021531134 is about 83794.5769963665. The cubic root of 7021531134 is about 1914.8904885031.

The spelling of 7021531134 in words is "seven billion, twenty-one million, five hundred thirty-one thousand, one hundred thirty-four".