1364035621 has 8 divisors (see below), whose sum is σ = 1470301560. Its totient is φ = 1257961152.

The previous prime is 1364035609. The next prime is 1364035633. The reversal of 1364035621 is 1265304631.

It is an interprime number because it is at equal distance from previous prime (1364035609) and next prime (1364035633).

It can be written as a sum of positive squares in 4 ways, for example, as 339075396 + 1024960225 = 18414^2 + 32015^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1364035621 - 2¹⁵ = 1364002853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364035661) 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, 32890 + ... + 61723.

It is an arithmetic number, because the mean of its divisors is an integer number (183787695).

Almost surely, 2^1364035621 is an apocalyptic number.

It is an amenable number.

1364035621 is a deficient number, since it is larger than the sum of its proper divisors (106265939).

1364035621 is a wasteful number, since it uses less digits than its factorization.

1364035621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95735.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1364035621 is about 36932.8528684151. The cubic root of 1364035621 is about 1109.0264496247.

The spelling of 1364035621 in words is "one billion, three hundred sixty-four million, thirty-five thousand, six hundred twenty-one".