1379443142 has 32 divisors (see below), whose sum is σ = 2622046464. Its totient is φ = 528631200.

The previous prime is 1379443141. The next prime is 1379443157. The reversal of 1379443142 is 2413449731.

It is a super-3 number, since 3×1379443142³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1379443096 and 1379443105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379443141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64028 + ... + 82815.

It is an arithmetic number, because the mean of its divisors is an integer number (81938952).

Almost surely, 2^1379443142 is an apocalyptic number.

1379443142 is a deficient number, since it is larger than the sum of its proper divisors (1242603322).

1379443142 is a wasteful number, since it uses less digits than its factorization.

1379443142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146924.

The product of its digits is 72576, while the sum is 38.

The square root of 1379443142 is about 37140.8554290286. The cubic root of 1379443142 is about 1113.1865101142.

The spelling of 1379443142 in words is "one billion, three hundred seventy-nine million, four hundred forty-three thousand, one hundred forty-two".