1392158 has 4 divisors (see below), whose sum is σ = 2088240. Its totient is φ = 696078.

The previous prime is 1392143. The next prime is 1392163. The reversal of 1392158 is 8512931.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1392158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348038 + ... + 348041.

It is an arithmetic number, because the mean of its divisors is an integer number (522060).

2^1392158 is an apocalyptic number.

1392158 is a deficient number, since it is larger than the sum of its proper divisors (696082).

1392158 is an equidigital number, since it uses as much as digits as its factorization.

1392158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696081.

The product of its digits is 2160, while the sum is 29.

The square root of 1392158 is about 1179.8974531712. The cubic root of 1392158 is about 111.6596277833.

The spelling of 1392158 in words is "one million, three hundred ninety-two thousand, one hundred fifty-eight".