313738739 has 4 divisors (see below), whose sum is σ = 313807440. Its totient is φ = 313670040.

The previous prime is 313738727. The next prime is 313738741. The reversal of 313738739 is 937837313.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 313738739 - 2¹⁶ = 313673203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313738739.

It is not an unprimeable number, because it can be changed into a prime (313738759) 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, 26972 + ... + 36809.

It is an arithmetic number, because the mean of its divisors is an integer number (78451860).

Almost surely, 2^313738739 is an apocalyptic number.

313738739 is a deficient number, since it is larger than the sum of its proper divisors (68701).

313738739 is an equidigital number, since it uses as much as digits as its factorization.

313738739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68700.

The product of its digits is 285768, while the sum is 44.

The square root of 313738739 is about 17712.6717070012. The cubic root of 313738739 is about 679.4998766388.

The spelling of 313738739 in words is "three hundred thirteen million, seven hundred thirty-eight thousand, seven hundred thirty-nine".