1392906195 has 12 divisors (see below), whose sum is σ = 2414370816. Its totient is φ = 742883280.

The previous prime is 1392906191. The next prime is 1392906217. The reversal of 1392906195 is 5916092931.

It is a happy number.

1392906195 is a `hidden beast` number, since 1 + 3 + 9 + 29 + 0 + 619 + 5 = 666.

It is not a de Polignac number, because 1392906195 - 2² = 1392906191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 30953471 = 1392906195 / (1 + 3 + 9 + 2 + 9 + 0 + 6 + 1 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1392906195.

It is not an unprimeable number, because it can be changed into a prime (1392906191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15476691 + ... + 15476780.

It is an arithmetic number, because the mean of its divisors is an integer number (201197568).

Almost surely, 2^1392906195 is an apocalyptic number.

1392906195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1392906195 is a deficient number, since it is larger than the sum of its proper divisors (1021464621).

1392906195 is a wasteful number, since it uses less digits than its factorization.

1392906195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30953482 (or 30953479 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 1392906195 is about 37321.6585242403. The cubic root of 1392906195 is about 1116.7962748005.

The spelling of 1392906195 in words is "one billion, three hundred ninety-two million, nine hundred six thousand, one hundred ninety-five".