1392190925 has 12 divisors (see below), whose sum is σ = 1726838880. Its totient is φ = 1113415920.

The previous prime is 1392190889. The next prime is 1392190927. The reversal of 1392190925 is 5290912931.

It is not a de Polignac number, because 1392190925 - 2¹⁴ = 1392174541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392190927) 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, 106814 + ... + 119136.

It is an arithmetic number, because the mean of its divisors is an integer number (143903240).

Almost surely, 2^1392190925 is an apocalyptic number.

It is an amenable number.

1392190925 is a deficient number, since it is larger than the sum of its proper divisors (334647955).

1392190925 is a wasteful number, since it uses less digits than its factorization.

1392190925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16852 (or 16847 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 1392190925 is about 37312.0747881969. The cubic root of 1392190925 is about 1116.6050803885.

The spelling of 1392190925 in words is "one billion, three hundred ninety-two million, one hundred ninety thousand, nine hundred twenty-five".