7142864356 has 12 divisors (see below), whose sum is σ = 12837851068. Its totient is φ = 3474906912.

The previous prime is 7142864353. The next prime is 7142864419. The reversal of 7142864356 is 6534682417.

It can be written as a sum of positive squares in 2 ways, for example, as 2717953956 + 4424910400 = 52134^2 + 66520^2 .

It is a super-2 number, since 2×7142864356² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7142864353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24131151 + ... + 24131446.

Almost surely, 2^7142864356 is an apocalyptic number.

It is an amenable number.

7142864356 is a deficient number, since it is larger than the sum of its proper divisors (5694986712).

7142864356 is a wasteful number, since it uses less digits than its factorization.

7142864356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48262638 (or 48262636 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 7142864356 is about 84515.4681463695. The cubic root of 7142864356 is about 1925.8574338230.

The spelling of 7142864356 in words is "seven billion, one hundred forty-two million, eight hundred sixty-four thousand, three hundred fifty-six".