1392114321 has 24 divisors (see below), whose sum is σ = 2168373480. Its totient is φ = 855553536.

The previous prime is 1392114313. The next prime is 1392114323. The reversal of 1392114321 is 1234112931.

1392114321 is a `hidden beast` number, since 13 + 9 + 211 + 432 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 204347025 + 1187767296 = 14295^2 + 34464^2 .

It is not a de Polignac number, because 1392114321 - 2³ = 1392114313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1392114323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85785 + ... + 100713.

It is an arithmetic number, because the mean of its divisors is an integer number (90348895).

Almost surely, 2^1392114321 is an apocalyptic number.

It is an amenable number.

1392114321 is a deficient number, since it is larger than the sum of its proper divisors (776259159).

1392114321 is a wasteful number, since it uses less digits than its factorization.

1392114321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745 (or 15742 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1392114321 is about 37311.0482431143. The cubic root of 1392114321 is about 1116.5845999638.

The spelling of 1392114321 in words is "one billion, three hundred ninety-two million, one hundred fourteen thousand, three hundred twenty-one".