1374390249 has 8 divisors (see below), whose sum is σ = 1842016032. Its totient is φ = 911512320.

The previous prime is 1374390247. The next prime is 1374390253. The reversal of 1374390249 is 9420934731.

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

It is not a de Polignac number, because 1374390249 - 2¹ = 1374390247 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1374390249.

It is not an unprimeable number, because it can be changed into a prime (1374390247) 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, 1186287 + ... + 1187444.

It is an arithmetic number, because the mean of its divisors is an integer number (230252004).

Almost surely, 2^1374390249 is an apocalyptic number.

It is an amenable number.

1374390249 is a deficient number, since it is larger than the sum of its proper divisors (467625783).

1374390249 is a wasteful number, since it uses less digits than its factorization.

1374390249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373927.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 1374390249 is about 37072.7696429603. The cubic root of 1374390249 is about 1111.8256483651.

The spelling of 1374390249 in words is "one billion, three hundred seventy-four million, three hundred ninety thousand, two hundred forty-nine".