1364255642 has 8 divisors (see below), whose sum is σ = 2116948500. Its totient is φ = 658606144.

The previous prime is 1364255623. The next prime is 1364255647. The reversal of 1364255642 is 2465524631.

It can be written as a sum of positive squares in 2 ways, for example, as 1341683641 + 22572001 = 36629^2 + 4751^2 .

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

It is a super-2 number, since 2×1364255642² = 3722386913457664328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1364255596 and 1364255605.

It is not an unprimeable number, because it can be changed into a prime (1364255647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11760767 + ... + 11760882.

Almost surely, 2^1364255642 is an apocalyptic number.

1364255642 is a deficient number, since it is larger than the sum of its proper divisors (752692858).

1364255642 is a wasteful number, since it uses less digits than its factorization.

1364255642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23521680.

The product of its digits is 172800, while the sum is 38.

The square root of 1364255642 is about 36935.8314107047. The cubic root of 1364255642 is about 1109.0860756310.

The spelling of 1364255642 in words is "one billion, three hundred sixty-four million, two hundred fifty-five thousand, six hundred forty-two".