1361243742 has 16 divisors (see below), whose sum is σ = 2726435712. Its totient is φ = 453089880.

The previous prime is 1361243713. The next prime is 1361243743. The reversal of 1361243742 is 2473421631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361243743) 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, 160018 + ... + 168309.

It is an arithmetic number, because the mean of its divisors is an integer number (170402232).

Almost surely, 2^1361243742 is an apocalyptic number.

1361243742 is an abundant number, since it is smaller than the sum of its proper divisors (1365191970).

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

1361243742 is a wasteful number, since it uses less digits than its factorization.

1361243742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329023.

The product of its digits is 24192, while the sum is 33.

The square root of 1361243742 is about 36895.0368206890. The cubic root of 1361243742 is about 1108.2692889193.

The spelling of 1361243742 in words is "one billion, three hundred sixty-one million, two hundred forty-three thousand, seven hundred forty-two".