1319903137 has 8 divisors (see below), whose sum is σ = 1597193856. Its totient is φ = 1064795712.

The previous prime is 1319903131. The next prime is 1319903147. The reversal of 1319903137 is 7313099131.

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

It is a cyclic number.

It is not a de Polignac number, because 1319903137 - 2⁷ = 1319903009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1319903096 and 1319903105.

It is not an unprimeable number, because it can be changed into a prime (1319903131) 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, 5545693 + ... + 5545930.

It is an arithmetic number, because the mean of its divisors is an integer number (199649232).

Almost surely, 2^1319903137 is an apocalyptic number.

1319903137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1319903137 is a deficient number, since it is larger than the sum of its proper divisors (277290719).

1319903137 is a wasteful number, since it uses less digits than its factorization.

1319903137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091647.

The product of its (nonzero) digits is 15309, while the sum is 37.

The square root of 1319903137 is about 36330.4711915494. The cubic root of 1319903137 is about 1096.9344777687.

The spelling of 1319903137 in words is "one billion, three hundred nineteen million, nine hundred three thousand, one hundred thirty-seven".