713987129 has 4 divisors (see below), whose sum is σ = 714084900. Its totient is φ = 713889360.

The previous prime is 713987083. The next prime is 713987171. The reversal of 713987129 is 921789317.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162817600 + 551169529 = 12760^2 + 23477^2 .

It is a cyclic number.

It is not a de Polignac number, because 713987129 - 2¹² = 713983033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713981129) 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, 36962 + ... + 52859.

It is an arithmetic number, because the mean of its divisors is an integer number (178521225).

Almost surely, 2^713987129 is an apocalyptic number.

It is an amenable number.

713987129 is a deficient number, since it is larger than the sum of its proper divisors (97771).

713987129 is an equidigital number, since it uses as much as digits as its factorization.

713987129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97770.

The product of its digits is 190512, while the sum is 47.

The square root of 713987129 is about 26720.5375881549. The cubic root of 713987129 is about 893.7789613971.

The spelling of 713987129 in words is "seven hundred thirteen million, nine hundred eighty-seven thousand, one hundred twenty-nine".