1374968309 has 16 divisors (see below), whose sum is σ = 1617646464. Its totient is φ = 1152177600.

The previous prime is 1374968299. The next prime is 1374968311. The reversal of 1374968309 is 9038694731.

It is a cyclic number.

It is not a de Polignac number, because 1374968309 - 2¹⁶ = 1374902773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374968369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99779 + ... + 112719.

It is an arithmetic number, because the mean of its divisors is an integer number (101102904).

Almost surely, 2^1374968309 is an apocalyptic number.

It is an amenable number.

1374968309 is a deficient number, since it is larger than the sum of its proper divisors (242678155).

1374968309 is a wasteful number, since it uses less digits than its factorization.

1374968309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13708.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 1374968309 is about 37080.5651116592. The cubic root of 1374968309 is about 1111.9815021702.

The spelling of 1374968309 in words is "one billion, three hundred seventy-four million, nine hundred sixty-eight thousand, three hundred nine".