1361457716 has 24 divisors (see below), whose sum is σ = 2525966856. Its totient is φ = 639856640.

The previous prime is 1361457707. The next prime is 1361457737. The reversal of 1361457716 is 6177541631.

It can be written as a sum of positive squares in 4 ways, for example, as 324360100 + 1037097616 = 18010^2 + 32204^2 .

It is a super-2 number, since 2×1361457716² = 3707134224911873312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41636 + ... + 66756.

It is an arithmetic number, because the mean of its divisors is an integer number (105248619).

Almost surely, 2^1361457716 is an apocalyptic number.

It is an amenable number.

1361457716 is a deficient number, since it is larger than the sum of its proper divisors (1164509140).

1361457716 is a wasteful number, since it uses less digits than its factorization.

1361457716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25939 (or 25937 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 1361457716 is about 36897.9364734669. The cubic root of 1361457716 is about 1108.3273555195.

The spelling of 1361457716 in words is "one billion, three hundred sixty-one million, four hundred fifty-seven thousand, seven hundred sixteen".