1379957142 has 32 divisors (see below), whose sum is σ = 2801491200. Its totient is φ = 453103200.

The previous prime is 1379957129. The next prime is 1379957149. The reversal of 1379957142 is 2417599731.

It is a junction number, because it is equal to n+sod(n) for n = 1379957091 and 1379957100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379957149) 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, 114873 + ... + 126315.

It is an arithmetic number, because the mean of its divisors is an integer number (87546600).

Almost surely, 2^1379957142 is an apocalyptic number.

1379957142 is an abundant number, since it is smaller than the sum of its proper divisors (1421534058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379957142 is a wasteful number, since it uses less digits than its factorization.

1379957142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748.

The product of its digits is 476280, while the sum is 48.

The square root of 1379957142 is about 37147.7743882457. The cubic root of 1379957142 is about 1113.3247559508.

The spelling of 1379957142 in words is "one billion, three hundred seventy-nine million, nine hundred fifty-seven thousand, one hundred forty-two".