1392217342 has 8 divisors (see below), whose sum is σ = 2088485496. Its totient is φ = 696055512.

The previous prime is 1392217331. The next prime is 1392217357. The reversal of 1392217342 is 2437122931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1392217298 and 1392217307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31813 + ... + 61615.

It is an arithmetic number, because the mean of its divisors is an integer number (261060687).

Almost surely, 2^1392217342 is an apocalyptic number.

1392217342 is a deficient number, since it is larger than the sum of its proper divisors (696268154).

1392217342 is a wasteful number, since it uses less digits than its factorization.

1392217342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53162.

The product of its digits is 18144, while the sum is 34.

The square root of 1392217342 is about 37312.4287872017. The cubic root of 1392217342 is about 1116.6121429184.

The spelling of 1392217342 in words is "one billion, three hundred ninety-two million, two hundred seventeen thousand, three hundred forty-two".