1364024421 has 24 divisors (see below), whose sum is σ = 2132746560. Its totient is φ = 861482952.

The previous prime is 1364024353. The next prime is 1364024443. The reversal of 1364024421 is 1244204631.

It is a happy number.

1364024421 is a `hidden beast` number, since 13 + 640 + 2 + 4 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 1364024421 - 2⁷ = 1364024293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364024021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60225 + ... + 79718.

It is an arithmetic number, because the mean of its divisors is an integer number (88864440).

Almost surely, 2^1364024421 is an apocalyptic number.

It is an amenable number.

1364024421 is a deficient number, since it is larger than the sum of its proper divisors (768722139).

1364024421 is a wasteful number, since it uses less digits than its factorization.

1364024421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139990 (or 139965 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1364024421 is about 36932.7012415826. The cubic root of 1364024421 is about 1109.0234142371.

The spelling of 1364024421 in words is "one billion, three hundred sixty-four million, twenty-four thousand, four hundred twenty-one".