5142969756 has 36 divisors (see below), whose sum is σ = 13012108200. Its totient is φ = 1712764128.

The previous prime is 5142969749. The next prime is 5142969773. The reversal of 5142969756 is 6579692415.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×5142969756² = 52900275822261399072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24486 + ... + 104333.

It is an arithmetic number, because the mean of its divisors is an integer number (361447450).

Almost surely, 2^5142969756 is an apocalyptic number.

It is an amenable number.

5142969756 is an abundant number, since it is smaller than the sum of its proper divisors (7869138444).

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

5142969756 is a wasteful number, since it uses less digits than its factorization.

5142969756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129938 (or 129933 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 5142969756 is about 71714.5017133913. The cubic root of 5142969756 is about 1726.1213467702.

The spelling of 5142969756 in words is "five billion, one hundred forty-two million, nine hundred sixty-nine thousand, seven hundred fifty-six".