1392077142 has 96 divisors (see below), whose sum is σ = 3238410240. Its totient is φ = 430920000.

The previous prime is 1392077131. The next prime is 1392077143. The reversal of 1392077142 is 2417702931.

It is a junction number, because it is equal to n+sod(n) for n = 1392077097 and 1392077106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392077143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6597417 + ... + 6597627.

It is an arithmetic number, because the mean of its divisors is an integer number (33733440).

Almost surely, 2^1392077142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392077142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1619205120).

1392077142 is an abundant number, since it is smaller than the sum of its proper divisors (1846333098).

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

1392077142 is a wasteful number, since it uses less digits than its factorization.

1392077142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1392077142 is about 37310.5500093472. The cubic root of 1392077142 is about 1116.5746597197.

The spelling of 1392077142 in words is "one billion, three hundred ninety-two million, seventy-seven thousand, one hundred forty-two".