1392471142 has 16 divisors (see below), whose sum is σ = 2106478080. Its totient is φ = 690325128.

The previous prime is 1392471137. The next prime is 1392471149. The reversal of 1392471142 is 2411742931.

It is a junction number, because it is equal to n+sod(n) for n = 1392471098 and 1392471107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392471149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243763 + ... + 249409.

It is an arithmetic number, because the mean of its divisors is an integer number (131654880).

Almost surely, 2^1392471142 is an apocalyptic number.

1392471142 is a deficient number, since it is larger than the sum of its proper divisors (714006938).

1392471142 is a wasteful number, since it uses less digits than its factorization.

1392471142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675.

The product of its digits is 12096, while the sum is 34.

The square root of 1392471142 is about 37315.8296437316. The cubic root of 1392471142 is about 1116.6799912670.

The spelling of 1392471142 in words is "one billion, three hundred ninety-two million, four hundred seventy-one thousand, one hundred forty-two".