1373020765 has 16 divisors (see below), whose sum is σ = 1736297856. Its totient is φ = 1040248000.

The previous prime is 1373020763. The next prime is 1373020799. The reversal of 1373020765 is 5670203731.

It is not a de Polignac number, because 1373020765 - 2¹ = 1373020763 is a prime.

It is a super-2 number, since 2×1373020765² = 3770372042242370450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1373020765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373020763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47491 + ... + 70720.

It is an arithmetic number, because the mean of its divisors is an integer number (108518616).

Almost surely, 2^1373020765 is an apocalyptic number.

It is an amenable number.

1373020765 is a deficient number, since it is larger than the sum of its proper divisors (363277091).

1373020765 is a wasteful number, since it uses less digits than its factorization.

1373020765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118340.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 1373020765 is about 37054.2948252966. The cubic root of 1373020765 is about 1111.4562400770.

The spelling of 1373020765 in words is "one billion, three hundred seventy-three million, twenty thousand, seven hundred sixty-five".