1379502538 has 8 divisors (see below), whose sum is σ = 2070331200. Its totient is φ = 689392140.

The previous prime is 1379502521. The next prime is 1379502539. The reversal of 1379502538 is 8352059731.

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

It is a junction number, because it is equal to n+sod(n) for n = 1379502494 and 1379502503.

It is not an unprimeable number, because it can be changed into a prime (1379502539) 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, 174738 + ... + 182461.

It is an arithmetic number, because the mean of its divisors is an integer number (258791400).

Almost surely, 2^1379502538 is an apocalyptic number.

1379502538 is a deficient number, since it is larger than the sum of its proper divisors (690828662).

1379502538 is a wasteful number, since it uses less digits than its factorization.

1379502538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359132.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 1379502538 is about 37141.6550250524. The cubic root of 1379502538 is about 1113.2024870629.

The spelling of 1379502538 in words is "one billion, three hundred seventy-nine million, five hundred two thousand, five hundred thirty-eight".