1383135515 has 8 divisors (see below), whose sum is σ = 1661333328. Its totient is φ = 1105461280.

The previous prime is 1383135499. The next prime is 1383135527. The reversal of 1383135515 is 5155313831.

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

It is not a de Polignac number, because 1383135515 - 2⁴ = 1383135499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125057 + ... + 135666.

It is an arithmetic number, because the mean of its divisors is an integer number (207666666).

Almost surely, 2^1383135515 is an apocalyptic number.

1383135515 is a deficient number, since it is larger than the sum of its proper divisors (278197813).

1383135515 is a wasteful number, since it uses less digits than its factorization.

1383135515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261789.

The product of its digits is 27000, while the sum is 35.

The square root of 1383135515 is about 37190.5299101801. The cubic root of 1383135515 is about 1114.1788520646.

The spelling of 1383135515 in words is "one billion, three hundred eighty-three million, one hundred thirty-five thousand, five hundred fifteen".