1374727813 has 4 divisors (see below), whose sum is σ = 1375993600. Its totient is φ = 1373462028.

The previous prime is 1374727811. The next prime is 1374727817. The reversal of 1374727813 is 3187274731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1374727813 - 2¹ = 1374727811 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 1374727813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374727811) 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, 631263 + ... + 633436.

It is an arithmetic number, because the mean of its divisors is an integer number (343998400).

Almost surely, 2^1374727813 is an apocalyptic number.

It is an amenable number.

1374727813 is a deficient number, since it is larger than the sum of its proper divisors (1265787).

1374727813 is a wasteful number, since it uses less digits than its factorization.

1374727813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265786.

The product of its digits is 197568, while the sum is 43.

The square root of 1374727813 is about 37077.3220850697. The cubic root of 1374727813 is about 1111.9166660827.

The spelling of 1374727813 in words is "one billion, three hundred seventy-four million, seven hundred twenty-seven thousand, eight hundred thirteen".