5129287740 has 84 divisors (see below), whose sum is σ = 16149914424. Its totient is φ = 1367806176.

The previous prime is 5129287729. The next prime is 5129287741. The reversal of 5129287740 is 477829215.

It is a happy number.

5129287740 is a `hidden beast` number, since 512 + 9 + 28 + 77 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5129287741) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 161322 + ... + 190481.

It is an arithmetic number, because the mean of its divisors is an integer number (192260886).

Almost surely, 2^5129287740 is an apocalyptic number.

It is an amenable number.

5129287740 is an abundant number, since it is smaller than the sum of its proper divisors (11020626684).

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

5129287740 is a wasteful number, since it uses less digits than its factorization.

5129287740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351830 (or 351813 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 5129287740 is about 71619.0459305344. The cubic root of 5129287740 is about 1724.5893010918.

The spelling of 5129287740 in words is "five billion, one hundred twenty-nine million, two hundred eighty-seven thousand, seven hundred forty".