1374620285 has 4 divisors (see below), whose sum is σ = 1649544348. Its totient is φ = 1099696224.

The previous prime is 1374620207. The next prime is 1374620339. The reversal of 1374620285 is 5820264731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5820264731 = 941 ⋅6185191.

It can be written as a sum of positive squares in 2 ways, for example, as 808037476 + 566582809 = 28426^2 + 23803^2 .

It is a cyclic number.

It is not a de Polignac number, because 1374620285 - 2¹⁶ = 1374554749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137462024 + ... + 137462033.

It is an arithmetic number, because the mean of its divisors is an integer number (412386087).

Almost surely, 2^1374620285 is an apocalyptic number.

It is an amenable number.

1374620285 is a deficient number, since it is larger than the sum of its proper divisors (274924063).

1374620285 is an equidigital number, since it uses as much as digits as its factorization.

1374620285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274924062.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1374620285 is about 37075.8720059286. The cubic root of 1374620285 is about 1111.8876748182.

The spelling of 1374620285 in words is "one billion, three hundred seventy-four million, six hundred twenty thousand, two hundred eighty-five".