1392156 has 18 divisors (see below), whose sum is σ = 3519152. Its totient is φ = 464040.

The previous prime is 1392143. The next prime is 1392163. The reversal of 1392156 is 6512931.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19300 + ... + 19371.

2^1392156 is an apocalyptic number.

It is an amenable number.

1392156 is an abundant number, since it is smaller than the sum of its proper divisors (2126996).

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

1392156 is a wasteful number, since it uses less digits than its factorization.

1392156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38681 (or 38676 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 1392156 is about 1179.8966056397. The cubic root of 1392156 is about 111.6595743125.

The spelling of 1392156 in words is "one million, three hundred ninety-two thousand, one hundred fifty-six".