1361743671 has 16 divisors (see below), whose sum is σ = 1867836800. Its totient is φ = 881821728.

The previous prime is 1361743637. The next prime is 1361743693. The reversal of 1361743671 is 1763471631.

1361743671 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1361743671 - 2¹⁹ = 1361219383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361743771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58800 + ... + 78618.

It is an arithmetic number, because the mean of its divisors is an integer number (116739800).

Almost surely, 2^1361743671 is an apocalyptic number.

1361743671 is a deficient number, since it is larger than the sum of its proper divisors (506093129).

1361743671 is a wasteful number, since it uses less digits than its factorization.

1361743671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478.

The product of its digits is 63504, while the sum is 39.

The square root of 1361743671 is about 36901.8112157114. The cubic root of 1361743671 is about 1108.4049462663.

The spelling of 1361743671 in words is "one billion, three hundred sixty-one million, seven hundred forty-three thousand, six hundred seventy-one".