1383157835 has 4 divisors (see below), whose sum is σ = 1659789408. Its totient is φ = 1106526264.

The previous prime is 1383157819. The next prime is 1383157843. The reversal of 1383157835 is 5387513831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1383157835 - 2⁴ = 1383157819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138315779 + ... + 138315788.

It is an arithmetic number, because the mean of its divisors is an integer number (414947352).

Almost surely, 2^1383157835 is an apocalyptic number.

1383157835 is a deficient number, since it is larger than the sum of its proper divisors (276631573).

1383157835 is an equidigital number, since it uses as much as digits as its factorization.

1383157835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276631572.

The product of its digits is 302400, while the sum is 44.

The square root of 1383157835 is about 37190.8299853606. The cubic root of 1383157835 is about 1114.1848452923.

The spelling of 1383157835 in words is "one billion, three hundred eighty-three million, one hundred fifty-seven thousand, eight hundred thirty-five".