1379735936 has 64 divisors (see below), whose sum is σ = 2828725200. Its totient is φ = 669941760.

The previous prime is 1379735933. The next prime is 1379735947. The reversal of 1379735936 is 6395379731.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379735933) 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, 1484720 + ... + 1485648.

Almost surely, 2^1379735936 is an apocalyptic number.

1379735936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379735936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414362600).

1379735936 is an abundant number, since it is smaller than the sum of its proper divisors (1448989264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379735936 is an equidigital number, since it uses as much as digits as its factorization.

1379735936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1255 counting only the distinct ones).

The product of its digits is 3214890, while the sum is 53.

The square root of 1379735936 is about 37144.7968900087. The cubic root of 1379735936 is about 1113.2652644230.

The spelling of 1379735936 in words is "one billion, three hundred seventy-nine million, seven hundred thirty-five thousand, nine hundred thirty-six".