1379174859 has 12 divisors (see below), whose sum is σ = 1998057256. Its totient is φ = 916719552.

The previous prime is 1379174801. The next prime is 1379174879. The reversal of 1379174859 is 9584719731.

It is a happy number.

It is not a de Polignac number, because 1379174859 - 2¹¹ = 1379172811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379174879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224329 + ... + 230394.

Almost surely, 2^1379174859 is an apocalyptic number.

1379174859 is a deficient number, since it is larger than the sum of its proper divisors (618882397).

1379174859 is a wasteful number, since it uses less digits than its factorization.

1379174859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455066 (or 455063 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 1379174859 is about 37137.2435568393. The cubic root of 1379174859 is about 1113.1143388710.

The spelling of 1379174859 in words is "one billion, three hundred seventy-nine million, one hundred seventy-four thousand, eight hundred fifty-nine".