1364131021 has 8 divisors (see below), whose sum is σ = 1488492000. Its totient is φ = 1239828240.

The previous prime is 1364131019. The next prime is 1364131121. The reversal of 1364131021 is 1201314631.

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 1364131021 - 2¹ = 1364131019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1364130983 and 1364131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364131121) 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, 45130 + ... + 69028.

It is an arithmetic number, because the mean of its divisors is an integer number (186061500).

Almost surely, 2^1364131021 is an apocalyptic number.

1364131021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1364131021 is a deficient number, since it is larger than the sum of its proper divisors (124360979).

1364131021 is a wasteful number, since it uses less digits than its factorization.

1364131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29099.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1364131021 is about 36934.1443788806. The cubic root of 1364131021 is about 1109.0523039487.

Adding to 1364131021 its reverse (1201314631), we get a palindrome (2565445652).

The spelling of 1364131021 in words is "one billion, three hundred sixty-four million, one hundred thirty-one thousand, twenty-one".