1383245273 has 8 divisors (see below), whose sum is σ = 1466025120. Its totient is φ = 1300622400.

The previous prime is 1383245267. The next prime is 1383245293. The reversal of 1383245273 is 3725423831.

It is a happy number.

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

It is not a de Polignac number, because 1383245273 - 2⁴ = 1383245257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383245293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20843 + ... + 56576.

It is an arithmetic number, because the mean of its divisors is an integer number (183253140).

Almost surely, 2^1383245273 is an apocalyptic number.

It is an amenable number.

1383245273 is a deficient number, since it is larger than the sum of its proper divisors (82779847).

1383245273 is a wasteful number, since it uses less digits than its factorization.

1383245273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78487.

The product of its digits is 120960, while the sum is 38.

The square root of 1383245273 is about 37192.0054984939. The cubic root of 1383245273 is about 1114.2083229796.

The spelling of 1383245273 in words is "one billion, three hundred eighty-three million, two hundred forty-five thousand, two hundred seventy-three".