1364561421 has 8 divisors (see below), whose sum is σ = 1819627680. Its totient is φ = 909601392.

The previous prime is 1364561413. The next prime is 1364561449. The reversal of 1364561421 is 1241654631.

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

It is not a de Polignac number, because 1364561421 - 2³ = 1364561413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364561021) 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, 11010 + ... + 53388.

It is an arithmetic number, because the mean of its divisors is an integer number (227453460).

Almost surely, 2^1364561421 is an apocalyptic number.

It is an amenable number.

1364561421 is a deficient number, since it is larger than the sum of its proper divisors (455066259).

1364561421 is a wasteful number, since it uses less digits than its factorization.

1364561421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53115.

The product of its digits is 17280, while the sum is 33.

The square root of 1364561421 is about 36939.9705062145. The cubic root of 1364561421 is about 1109.1689315334.

The spelling of 1364561421 in words is "one billion, three hundred sixty-four million, five hundred sixty-one thousand, four hundred twenty-one".