7138719016 has 128 divisors (see below), whose sum is σ = 16705180800. Its totient is φ = 2809774080.

The previous prime is 7138719013. The next prime is 7138719019. The reversal of 7138719016 is 6109178317.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7138719013) and next prime (7138719019).

It is a super-2 number, since 2×7138719016² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7138719013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11532355 + ... + 11532973.

It is an arithmetic number, because the mean of its divisors is an integer number (130509225).

Almost surely, 2^7138719016 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 7138719016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8352590400).

7138719016 is an abundant number, since it is smaller than the sum of its proper divisors (9566461784).

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

7138719016 is a wasteful number, since it uses less digits than its factorization.

7138719016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 7138719016 is about 84490.9404374220. The cubic root of 7138719016 is about 1925.4848065257.

The spelling of 7138719016 in words is "seven billion, one hundred thirty-eight million, seven hundred nineteen thousand, sixteen".