1392555002 has 8 divisors (see below), whose sum is σ = 2160861300. Its totient is φ = 672267904.

The previous prime is 1392554981. The next prime is 1392555007. The reversal of 1392555002 is 2005552931.

It can be written as a sum of positive squares in 2 ways, for example, as 1387488001 + 5067001 = 37249^2 + 2251^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1392555002.

It is not an unprimeable number, because it can be changed into a prime (1392555007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12004727 + ... + 12004842.

Almost surely, 2^1392555002 is an apocalyptic number.

1392555002 is a deficient number, since it is larger than the sum of its proper divisors (768306298).

1392555002 is a wasteful number, since it uses less digits than its factorization.

1392555002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24009600.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 1392555002 is about 37316.9532786373. The cubic root of 1392555002 is about 1116.7024077469.

The spelling of 1392555002 in words is "one billion, three hundred ninety-two million, five hundred fifty-five thousand, two".