1383131506 has 8 divisors (see below), whose sum is σ = 2080477440. Its totient is φ = 689639028.

The previous prime is 1383131501. The next prime is 1383131527. The reversal of 1383131506 is 6051313831.

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

It is not an unprimeable number, because it can be changed into a prime (1383131501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962466 + ... + 963901.

It is an arithmetic number, because the mean of its divisors is an integer number (260059680).

Almost surely, 2^1383131506 is an apocalyptic number.

1383131506 is a deficient number, since it is larger than the sum of its proper divisors (697345934).

1383131506 is a wasteful number, since it uses less digits than its factorization.

1383131506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926728.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1383131506 is about 37190.4760120115. The cubic root of 1383131506 is about 1114.1777755860.

The spelling of 1383131506 in words is "one billion, three hundred eighty-three million, one hundred thirty-one thousand, five hundred six".