1392054565 has 16 divisors (see below), whose sum is σ = 1830977856. Its totient is φ = 1007596800.

The previous prime is 1392054557. The next prime is 1392054577. The reversal of 1392054565 is 5654502931.

It is not a de Polignac number, because 1392054565 - 2³ = 1392054557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48372 + ... + 71581.

It is an arithmetic number, because the mean of its divisors is an integer number (114436116).

Almost surely, 2^1392054565 is an apocalyptic number.

It is an amenable number.

1392054565 is a deficient number, since it is larger than the sum of its proper divisors (438923291).

1392054565 is a wasteful number, since it uses less digits than its factorization.

1392054565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120180.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 1392054565 is about 37310.2474529451. The cubic root of 1392054565 is about 1116.5686234061.

It can be divided in two parts, 13920 and 54565, that multiplied together give a triangular number (759544800 = T₃₈₉₇₅).

The spelling of 1392054565 in words is "one billion, three hundred ninety-two million, fifty-four thousand, five hundred sixty-five".