1379533738 has 8 divisors (see below), whose sum is σ = 2257418880. Its totient is φ = 627060780.

The previous prime is 1379533669. The next prime is 1379533739. The reversal of 1379533738 is 8373359731.

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

It is a super-2 number, since 2×1379533738² = 3806226668560505288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1379533691 and 1379533700.

It is not an unprimeable number, because it can be changed into a prime (1379533739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31353018 + ... + 31353061.

It is an arithmetic number, because the mean of its divisors is an integer number (282177360).

Almost surely, 2^1379533738 is an apocalyptic number.

1379533738 is a deficient number, since it is larger than the sum of its proper divisors (877885142).

1379533738 is a wasteful number, since it uses less digits than its factorization.

1379533738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62706092.

The product of its digits is 1428840, while the sum is 49.

The square root of 1379533738 is about 37142.0750362712. The cubic root of 1379533738 is about 1113.2108793770.

The spelling of 1379533738 in words is "one billion, three hundred seventy-nine million, five hundred thirty-three thousand, seven hundred thirty-eight".