1399130047 has 16 divisors (see below), whose sum is σ = 1627540992. Its totient is φ = 1177979040.

The previous prime is 1399130041. The next prime is 1399130069. The reversal of 1399130047 is 7400319931.

It is not a de Polignac number, because 1399130047 - 2¹⁵ = 1399097279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1399129988 and 1399130015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399130041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132588 + ... + 142750.

It is an arithmetic number, because the mean of its divisors is an integer number (101721312).

Almost surely, 2^1399130047 is an apocalyptic number.

1399130047 is a deficient number, since it is larger than the sum of its proper divisors (228410945).

1399130047 is a wasteful number, since it uses less digits than its factorization.

1399130047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10518.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 1399130047 is about 37404.9468252529. The cubic root of 1399130047 is about 1118.4571781641.

Adding to 1399130047 its reverse (7400319931), we get a palindrome (8799449978).

The spelling of 1399130047 in words is "one billion, three hundred ninety-nine million, one hundred thirty thousand, forty-seven".