709145339 has 8 divisors (see below), whose sum is σ = 810970848. Its totient is φ = 607449600.

The previous prime is 709145321. The next prime is 709145347. The reversal of 709145339 is 933541907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-709145339 is a prime.

It is a super-2 number, since 2×709145339² = 1005774223650849842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 709145296 and 709145305.

It is not an unprimeable number, because it can be changed into a prime (709145539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20432 + ... + 42845.

It is an arithmetic number, because the mean of its divisors is an integer number (101371356).

Almost surely, 2^709145339 is an apocalyptic number.

709145339 is a deficient number, since it is larger than the sum of its proper divisors (101825509).

709145339 is a wasteful number, since it uses less digits than its factorization.

709145339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64885.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 709145339 is about 26629.7829318979. The cubic root of 709145339 is about 891.7540373505.

The spelling of 709145339 in words is "seven hundred nine million, one hundred forty-five thousand, three hundred thirty-nine".